//! moment.js
//! version : 2.11.2
//! authors : Tim Wood, Iskren Chernev, Moment.js contributors
//! license : MIT
//! momentjs.com
;
(function(global, factory) {
    typeof exports === "object" && typeof module !== "undefined"
        ? module.exports = factory()
        : typeof define === "function" && define.amd
        ? define(factory)
        : global.moment = factory();
}(this,
    function() {
        "use strict";

        var hookCallback;

        function utils_hooks__hooks() {
            return hookCallback.apply(null, arguments);
        }

        // This is done to register the method called with moment()
        // without creating circular dependencies.
        function setHookCallback(callback) {
            hookCallback = callback;
        }

        function isArray(input) {
            return Object.prototype.toString.call(input) === "[object Array]";
        }

        function isDate(input) {
            return input instanceof Date || Object.prototype.toString.call(input) === "[object Date]";
        }

        function map(arr, fn) {
            var res = [], i;
            for (i = 0; i < arr.length; ++i) {
                res.push(fn(arr[i], i));
            }
            return res;
        }

        function hasOwnProp(a, b) {
            return Object.prototype.hasOwnProperty.call(a, b);
        }

        function extend(a, b) {
            for (var i in b) {
                if (hasOwnProp(b, i)) {
                    a[i] = b[i];
                }
            }

            if (hasOwnProp(b, "toString")) {
                a.toString = b.toString;
            }

            if (hasOwnProp(b, "valueOf")) {
                a.valueOf = b.valueOf;
            }

            return a;
        }

        function create_utc__createUTC(input, format, locale, strict) {
            return createLocalOrUTC(input, format, locale, strict, true).utc();
        }

        function defaultParsingFlags() {
            // We need to deep clone this object.
            return {
                empty: false,
                unusedTokens: [],
                unusedInput: [],
                overflow: -2,
                charsLeftOver: 0,
                nullInput: false,
                invalidMonth: null,
                invalidFormat: false,
                userInvalidated: false,
                iso: false
            };
        }

        function getParsingFlags(m) {
            if (m._pf == null) {
                m._pf = defaultParsingFlags();
            }
            return m._pf;
        }

        function valid__isValid(m) {
            if (m._isValid == null) {
                var flags = getParsingFlags(m);
                m._isValid = !isNaN(m._d.getTime()) &&
                    flags.overflow < 0 &&
                    !flags.empty &&
                    !flags.invalidMonth &&
                    !flags.invalidWeekday &&
                    !flags.nullInput &&
                    !flags.invalidFormat &&
                    !flags.userInvalidated;

                if (m._strict) {
                    m._isValid = m._isValid &&
                        flags.charsLeftOver === 0 &&
                        flags.unusedTokens.length === 0 &&
                        flags.bigHour === undefined;
                }
            }
            return m._isValid;
        }

        function valid__createInvalid(flags) {
            var m = create_utc__createUTC(NaN);
            if (flags != null) {
                extend(getParsingFlags(m), flags);
            } else {
                getParsingFlags(m).userInvalidated = true;
            }

            return m;
        }

        function isUndefined(input) {
            return input === void 0;
        }

        // Plugins that add properties should also add the key here (null value),
        // so we can properly clone ourselves.
        var momentProperties = utils_hooks__hooks.momentProperties = [];

        function copyConfig(to, from) {
            var i, prop, val;

            if (!isUndefined(from._isAMomentObject)) {
                to._isAMomentObject = from._isAMomentObject;
            }
            if (!isUndefined(from._i)) {
                to._i = from._i;
            }
            if (!isUndefined(from._f)) {
                to._f = from._f;
            }
            if (!isUndefined(from._l)) {
                to._l = from._l;
            }
            if (!isUndefined(from._strict)) {
                to._strict = from._strict;
            }
            if (!isUndefined(from._tzm)) {
                to._tzm = from._tzm;
            }
            if (!isUndefined(from._isUTC)) {
                to._isUTC = from._isUTC;
            }
            if (!isUndefined(from._offset)) {
                to._offset = from._offset;
            }
            if (!isUndefined(from._pf)) {
                to._pf = getParsingFlags(from);
            }
            if (!isUndefined(from._locale)) {
                to._locale = from._locale;
            }

            if (momentProperties.length > 0) {
                for (i in momentProperties) {
                    prop = momentProperties[i];
                    val = from[prop];
                    if (!isUndefined(val)) {
                        to[prop] = val;
                    }
                }
            }

            return to;
        }

        var updateInProgress = false;

        // Moment prototype object
        function Moment(config) {
            copyConfig(this, config);
            this._d = new Date(config._d != null ? config._d.getTime() : NaN);
            // Prevent infinite loop in case updateOffset creates new moment
            // objects.
            if (updateInProgress === false) {
                updateInProgress = true;
                utils_hooks__hooks.updateOffset(this);
                updateInProgress = false;
            }
        }

        function isMoment(obj) {
            return obj instanceof Moment || (obj != null && obj._isAMomentObject != null);
        }

        function absFloor(number) {
            if (number < 0) {
                return Math.ceil(number);
            } else {
                return Math.floor(number);
            }
        }

        function toInt(argumentForCoercion) {
            var coercedNumber = +argumentForCoercion,
                value = 0;

            if (coercedNumber !== 0 && isFinite(coercedNumber)) {
                value = absFloor(coercedNumber);
            }

            return value;
        }

        // compare two arrays, return the number of differences
        function compareArrays(array1, array2, dontConvert) {
            var len = Math.min(array1.length, array2.length),
                lengthDiff = Math.abs(array1.length - array2.length),
                diffs = 0,
                i;
            for (i = 0; i < len; i++) {
                if ((dontConvert && array1[i] !== array2[i]) ||
                    (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))) {
                    diffs++;
                }
            }
            return diffs + lengthDiff;
        }

        function Locale() {
        }

        // internal storage for locale config files
        var locales = {};
        var globalLocale;

        function normalizeLocale(key) {
            return key ? key.toLowerCase().replace("_", "-") : key;
        }

        // pick the locale from the array
        // try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each
        // substring from most specific to least, but move to the next array item if it's a more specific variant than the current root
        function chooseLocale(names) {
            var i = 0, j, next, locale, split;

            while (i < names.length) {
                split = normalizeLocale(names[i]).split("-");
                j = split.length;
                next = normalizeLocale(names[i + 1]);
                next = next ? next.split("-") : null;
                while (j > 0) {
                    locale = loadLocale(split.slice(0, j).join("-"));
                    if (locale) {
                        return locale;
                    }
                    if (next && next.length >= j && compareArrays(split, next, true) >= j - 1) {
                        //the next array item is better than a shallower substring of this one
                        break;
                    }
                    j--;
                }
                i++;
            }
            return null;
        }

        function loadLocale(name) {
            var oldLocale = null;
            // TODO: Find a better way to register and load all the locales in Node
            if (!locales[name] &&
                (typeof module !== "undefined") &&
                module &&
                module.exports) {
                try {
                    oldLocale = globalLocale._abbr;
                    require("./locale/" + name);
                    // because defineLocale currently also sets the global locale, we
                    // want to undo that for lazy loaded locales
                    locale_locales__getSetGlobalLocale(oldLocale);
                } catch (e) {
                }
            }
            return locales[name];
        }

        // This function will load locale and then set the global locale.  If
        // no arguments are passed in, it will simply return the current global
        // locale key.
        function locale_locales__getSetGlobalLocale(key, values) {
            var data;
            if (key) {
                if (isUndefined(values)) {
                    data = locale_locales__getLocale(key);
                } else {
                    data = defineLocale(key, values);
                }

                if (data) {
                    // moment.duration._locale = moment._locale = data;
                    globalLocale = data;
                }
            }

            return globalLocale._abbr;
        }

        function defineLocale(name, values) {
            if (values !== null) {
                values.abbr = name;
                locales[name] = locales[name] || new Locale();
                locales[name].set(values);

                // backwards compat for now: also set the locale
                locale_locales__getSetGlobalLocale(name);

                return locales[name];
            } else {
                // useful for testing
                delete locales[name];
                return null;
            }
        }

        // returns locale data
        function locale_locales__getLocale(key) {
            var locale;

            if (key && key._locale && key._locale._abbr) {
                key = key._locale._abbr;
            }

            if (!key) {
                return globalLocale;
            }

            if (!isArray(key)) {
                //short-circuit everything else
                locale = loadLocale(key);
                if (locale) {
                    return locale;
                }
                key = [key];
            }

            return chooseLocale(key);
        }

        var aliases = {};

        function addUnitAlias(unit, shorthand) {
            var lowerCase = unit.toLowerCase();
            aliases[lowerCase] = aliases[lowerCase + "s"] = aliases[shorthand] = unit;
        }

        function normalizeUnits(units) {
            return typeof units === "string" ? aliases[units] || aliases[units.toLowerCase()] : undefined;
        }

        function normalizeObjectUnits(inputObject) {
            var normalizedInput = {},
                normalizedProp,
                prop;

            for (prop in inputObject) {
                if (hasOwnProp(inputObject, prop)) {
                    normalizedProp = normalizeUnits(prop);
                    if (normalizedProp) {
                        normalizedInput[normalizedProp] = inputObject[prop];
                    }
                }
            }

            return normalizedInput;
        }

        function isFunction(input) {
            return input instanceof Function || Object.prototype.toString.call(input) === "[object Function]";
        }

        function makeGetSet(unit, keepTime) {
            return function(value) {
                if (value != null) {
                    get_set__set(this, unit, value);
                    utils_hooks__hooks.updateOffset(this, keepTime);
                    return this;
                } else {
                    return get_set__get(this, unit);
                }
            };
        }

        function get_set__get(mom, unit) {
            return mom.isValid() ? mom._d["get" + (mom._isUTC ? "UTC" : "") + unit]() : NaN;
        }

        function get_set__set(mom, unit, value) {
            if (mom.isValid()) {
                mom._d["set" + (mom._isUTC ? "UTC" : "") + unit](value);
            }
        }

        // MOMENTS

        function getSet(units, value) {
            var unit;
            if (typeof units === "object") {
                for (unit in units) {
                    this.set(unit, units[unit]);
                }
            } else {
                units = normalizeUnits(units);
                if (isFunction(this[units])) {
                    return this[units](value);
                }
            }
            return this;
        }

        function zeroFill(number, targetLength, forceSign) {
            var absNumber = "" + Math.abs(number),
                zerosToFill = targetLength - absNumber.length,
                sign = number >= 0;
            return (sign ? (forceSign ? "+" : "") : "-") +
                Math.pow(10, Math.max(0, zerosToFill)).toString().substr(1) +
                absNumber;
        }

        var formattingTokens =
            /(\[[^\[]*\])|(\\)?([Hh]mm(ss)?|Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Qo?|YYYYYY|YYYYY|YYYY|YY|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|mm?|ss?|S{1,9}|x|X|zz?|ZZ?|.)/g;

        var localFormattingTokens = /(\[[^\[]*\])|(\\)?(LTS|LT|LL?L?L?|l{1,4})/g;

        var formatFunctions = {};

        var formatTokenFunctions = {};

        // token:    'M'
        // padded:   ['MM', 2]
        // ordinal:  'Mo'
        // callback: function () { this.month() + 1 }
        function addFormatToken(token, padded, ordinal, callback) {
            var func = callback;
            if (typeof callback === "string") {
                func = function() {
                    return this[callback]();
                };
            }
            if (token) {
                formatTokenFunctions[token] = func;
            }
            if (padded) {
                formatTokenFunctions[padded[0]] = function() {
                    return zeroFill(func.apply(this, arguments), padded[1], padded[2]);
                };
            }
            if (ordinal) {
                formatTokenFunctions[ordinal] = function() {
                    return this.localeData().ordinal(func.apply(this, arguments), token);
                };
            }
        }

        function removeFormattingTokens(input) {
            if (input.match(/\[[\s\S]/)) {
                return input.replace(/^\[|\]$/g, "");
            }
            return input.replace(/\\/g, "");
        }

        function makeFormatFunction(format) {
            var array = format.match(formattingTokens), i, length;

            for (i = 0, length = array.length; i < length; i++) {
                if (formatTokenFunctions[array[i]]) {
                    array[i] = formatTokenFunctions[array[i]];
                } else {
                    array[i] = removeFormattingTokens(array[i]);
                }
            }

            return function(mom) {
                var output = "";
                for (i = 0; i < length; i++) {
                    output += array[i] instanceof Function ? array[i].call(mom, format) : array[i];
                }
                return output;
            };
        }

        // format date using native date object
        function formatMoment(m, format) {
            if (!m.isValid()) {
                return m.localeData().invalidDate();
            }

            format = expandFormat(format, m.localeData());
            formatFunctions[format] = formatFunctions[format] || makeFormatFunction(format);

            return formatFunctions[format](m);
        }

        function expandFormat(format, locale) {
            var i = 5;

            function replaceLongDateFormatTokens(input) {
                return locale.longDateFormat(input) || input;
            }

            localFormattingTokens.lastIndex = 0;
            while (i >= 0 && localFormattingTokens.test(format)) {
                format = format.replace(localFormattingTokens, replaceLongDateFormatTokens);
                localFormattingTokens.lastIndex = 0;
                i -= 1;
            }

            return format;
        }

        var match1 = /\d/; //       0 - 9
        var match2 = /\d\d/; //      00 - 99
        var match3 = /\d{3}/; //     000 - 999
        var match4 = /\d{4}/; //    0000 - 9999
        var match6 = /[+-]?\d{6}/; // -999999 - 999999
        var match1to2 = /\d\d?/; //       0 - 99
        var match3to4 = /\d\d\d\d?/; //     999 - 9999
        var match5to6 = /\d\d\d\d\d\d?/; //   99999 - 999999
        var match1to3 = /\d{1,3}/; //       0 - 999
        var match1to4 = /\d{1,4}/; //       0 - 9999
        var match1to6 = /[+-]?\d{1,6}/; // -999999 - 999999

        var matchUnsigned = /\d+/; //       0 - inf
        var matchSigned = /[+-]?\d+/; //    -inf - inf

        var matchOffset = /Z|[+-]\d\d:?\d\d/gi; // +00:00 -00:00 +0000 -0000 or Z
        var matchShortOffset = /Z|[+-]\d\d(?::?\d\d)?/gi; // +00 -00 +00:00 -00:00 +0000 -0000 or Z

        var matchTimestamp = /[+-]?\d+(\.\d{1,3})?/; // 123456789 123456789.123

        // any word (or two) characters or numbers including two/three word month in arabic.
        // includes scottish gaelic two word and hyphenated months
        var matchWord =
            /[0-9]*['a-z\u00A0-\u05FF\u0700-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+|[\u0600-\u06FF\/]+(\s*?[\u0600-\u06FF]+){1,2}/i;


        var regexes = {};

        function addRegexToken(token, regex, strictRegex) {
            regexes[token] = isFunction(regex)
                ? regex
                : function(isStrict, localeData) {
                    return (isStrict && strictRegex) ? strictRegex : regex;
                };
        }

        function getParseRegexForToken(token, config) {
            if (!hasOwnProp(regexes, token)) {
                return new RegExp(unescapeFormat(token));
            }

            return regexes[token](config._strict, config._locale);
        }

        // Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript
        function unescapeFormat(s) {
            return regexEscape(s.replace("\\", "").replace(/\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g,
                function(matched, p1, p2, p3, p4) {
                    return p1 || p2 || p3 || p4;
                }));
        }

        function regexEscape(s) {
            return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, "\\$&");
        }

        var tokens = {};

        function addParseToken(token, callback) {
            var i, func = callback;
            if (typeof token === "string") {
                token = [token];
            }
            if (typeof callback === "number") {
                func = function(input, array) {
                    array[callback] = toInt(input);
                };
            }
            for (i = 0; i < token.length; i++) {
                tokens[token[i]] = func;
            }
        }

        function addWeekParseToken(token, callback) {
            addParseToken(token,
                function(input, array, config, token) {
                    config._w = config._w || {};
                    callback(input, config._w, config, token);
                });
        }

        function addTimeToArrayFromToken(token, input, config) {
            if (input != null && hasOwnProp(tokens, token)) {
                tokens[token](input, config._a, config, token);
            }
        }

        var YEAR = 0;
        var MONTH = 1;
        var DATE = 2;
        var HOUR = 3;
        var MINUTE = 4;
        var SECOND = 5;
        var MILLISECOND = 6;
        var WEEK = 7;
        var WEEKDAY = 8;

        function daysInMonth(year, month) {
            return new Date(Date.UTC(year, month + 1, 0)).getUTCDate();
        }

        // FORMATTING

        addFormatToken("M",
            ["MM", 2],
            "Mo",
            function() {
                return this.month() + 1;
            });

        addFormatToken("MMM",
            0,
            0,
            function(format) {
                return this.localeData().monthsShort(this, format);
            });

        addFormatToken("MMMM",
            0,
            0,
            function(format) {
                return this.localeData().months(this, format);
            });

        // ALIASES

        addUnitAlias("month", "M");

        // PARSING

        addRegexToken("M", match1to2);
        addRegexToken("MM", match1to2, match2);
        addRegexToken("MMM",
            function(isStrict, locale) {
                return locale.monthsShortRegex(isStrict);
            });
        addRegexToken("MMMM",
            function(isStrict, locale) {
                return locale.monthsRegex(isStrict);
            });

        addParseToken(["M", "MM"],
            function(input, array) {
                array[MONTH] = toInt(input) - 1;
            });

        addParseToken(["MMM", "MMMM"],
            function(input, array, config, token) {
                var month = config._locale.monthsParse(input, token, config._strict);
                // if we didn't find a month name, mark the date as invalid.
                if (month != null) {
                    array[MONTH] = month;
                } else {
                    getParsingFlags(config).invalidMonth = input;
                }
            });

        // LOCALES

        var MONTHS_IN_FORMAT = /D[oD]?(\[[^\[\]]*\]|\s+)+MMMM?/;
        var defaultLocaleMonths =
            "January_February_March_April_May_June_July_August_September_October_November_December".split("_");

        function localeMonths(m, format) {
            return isArray(this._months)
                ? this._months[m.month()]
                : this._months[MONTHS_IN_FORMAT.test(format) ? "format" : "standalone"][m.month()];
        }

        var defaultLocaleMonthsShort = "Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec".split("_");

        function localeMonthsShort(m, format) {
            return isArray(this._monthsShort)
                ? this._monthsShort[m.month()]
                : this._monthsShort[MONTHS_IN_FORMAT.test(format) ? "format" : "standalone"][m.month()];
        }

        function localeMonthsParse(monthName, format, strict) {
            var i, mom, regex;

            if (!this._monthsParse) {
                this._monthsParse = [];
                this._longMonthsParse = [];
                this._shortMonthsParse = [];
            }

            for (i = 0; i < 12; i++) {
                // make the regex if we don't have it already
                mom = create_utc__createUTC([2000, i]);
                if (strict && !this._longMonthsParse[i]) {
                    this._longMonthsParse[i] = new RegExp("^" + this.months(mom, "").replace(".", "") + "$", "i");
                    this._shortMonthsParse[i] = new RegExp("^" + this.monthsShort(mom, "").replace(".", "") + "$", "i");
                }
                if (!strict && !this._monthsParse[i]) {
                    regex = "^" + this.months(mom, "") + "|^" + this.monthsShort(mom, "");
                    this._monthsParse[i] = new RegExp(regex.replace(".", ""), "i");
                }
                // test the regex
                if (strict && format === "MMMM" && this._longMonthsParse[i].test(monthName)) {
                    return i;
                } else if (strict && format === "MMM" && this._shortMonthsParse[i].test(monthName)) {
                    return i;
                } else if (!strict && this._monthsParse[i].test(monthName)) {
                    return i;
                }
            }
        }

        // MOMENTS

        function setMonth(mom, value) {
            var dayOfMonth;

            if (!mom.isValid()) {
                // No op
                return mom;
            }

            // TODO: Move this out of here!
            if (typeof value === "string") {
                value = mom.localeData().monthsParse(value);
                // TODO: Another silent failure?
                if (typeof value !== "number") {
                    return mom;
                }
            }

            dayOfMonth = Math.min(mom.date(), daysInMonth(mom.year(), value));
            mom._d["set" + (mom._isUTC ? "UTC" : "") + "Month"](value, dayOfMonth);
            return mom;
        }

        function getSetMonth(value) {
            if (value != null) {
                setMonth(this, value);
                utils_hooks__hooks.updateOffset(this, true);
                return this;
            } else {
                return get_set__get(this, "Month");
            }
        }

        function getDaysInMonth() {
            return daysInMonth(this.year(), this.month());
        }

        var defaultMonthsShortRegex = matchWord;

        function monthsShortRegex(isStrict) {
            if (this._monthsParseExact) {
                if (!hasOwnProp(this, "_monthsRegex")) {
                    computeMonthsParse.call(this);
                }
                if (isStrict) {
                    return this._monthsShortStrictRegex;
                } else {
                    return this._monthsShortRegex;
                }
            } else {
                return this._monthsShortStrictRegex && isStrict ? this._monthsShortStrictRegex : this._monthsShortRegex;
            }
        }

        var defaultMonthsRegex = matchWord;

        function monthsRegex(isStrict) {
            if (this._monthsParseExact) {
                if (!hasOwnProp(this, "_monthsRegex")) {
                    computeMonthsParse.call(this);
                }
                if (isStrict) {
                    return this._monthsStrictRegex;
                } else {
                    return this._monthsRegex;
                }
            } else {
                return this._monthsStrictRegex && isStrict ? this._monthsStrictRegex : this._monthsRegex;
            }
        }

        function computeMonthsParse() {
            function cmpLenRev(a, b) {
                return b.length - a.length;
            }

            var shortPieces = [],
                longPieces = [],
                mixedPieces = [],
                i,
                mom;
            for (i = 0; i < 12; i++) {
                // make the regex if we don't have it already
                mom = create_utc__createUTC([2000, i]);
                shortPieces.push(this.monthsShort(mom, ""));
                longPieces.push(this.months(mom, ""));
                mixedPieces.push(this.months(mom, ""));
                mixedPieces.push(this.monthsShort(mom, ""));
            }
            // Sorting makes sure if one month (or abbr) is a prefix of another it
            // will match the longer piece.
            shortPieces.sort(cmpLenRev);
            longPieces.sort(cmpLenRev);
            mixedPieces.sort(cmpLenRev);
            for (i = 0; i < 12; i++) {
                shortPieces[i] = regexEscape(shortPieces[i]);
                longPieces[i] = regexEscape(longPieces[i]);
                mixedPieces[i] = regexEscape(mixedPieces[i]);
            }

            this._monthsRegex = new RegExp("^(" + mixedPieces.join("|") + ")", "i");
            this._monthsShortRegex = this._monthsRegex;
            this._monthsStrictRegex = new RegExp("^(" + longPieces.join("|") + ")$", "i");
            this._monthsShortStrictRegex = new RegExp("^(" + shortPieces.join("|") + ")$", "i");
        }

        function checkOverflow(m) {
            var overflow;
            var a = m._a;

            if (a && getParsingFlags(m).overflow === -2) {
                overflow =
                    a[MONTH] < 0 || a[MONTH] > 11
                    ? MONTH
                    : a[DATE] < 1 || a[DATE] > daysInMonth(a[YEAR], a[MONTH])
                    ? DATE
                    : a[HOUR] < 0 ||
                    a[HOUR] > 24 ||
                    (a[HOUR] === 24 && (a[MINUTE] !== 0 || a[SECOND] !== 0 || a[MILLISECOND] !== 0))
                    ? HOUR
                    : a[MINUTE] < 0 || a[MINUTE] > 59
                    ? MINUTE
                    : a[SECOND] < 0 || a[SECOND] > 59
                    ? SECOND
                    : a[MILLISECOND] < 0 || a[MILLISECOND] > 999
                    ? MILLISECOND
                    : -1;

                if (getParsingFlags(m)._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) {
                    overflow = DATE;
                }
                if (getParsingFlags(m)._overflowWeeks && overflow === -1) {
                    overflow = WEEK;
                }
                if (getParsingFlags(m)._overflowWeekday && overflow === -1) {
                    overflow = WEEKDAY;
                }

                getParsingFlags(m).overflow = overflow;
            }

            return m;
        }

        function warn(msg) {
            if (utils_hooks__hooks.suppressDeprecationWarnings === false &&
                (typeof console !== "undefined") &&
                console.warn) {
                console.warn("Deprecation warning: " + msg);
            }
        }

        function deprecate(msg, fn) {
            var firstTime = true;

            return extend(function() {
                    if (firstTime) {
                        warn(msg +
                            "\nArguments: " +
                            Array.prototype.slice.call(arguments).join(", ") +
                            "\n" +
                            (new Error()).stack);
                        firstTime = false;
                    }
                    return fn.apply(this, arguments);
                },
                fn);
        }

        var deprecations = {};

        function deprecateSimple(name, msg) {
            if (!deprecations[name]) {
                warn(msg);
                deprecations[name] = true;
            }
        }

        utils_hooks__hooks.suppressDeprecationWarnings = false;

        // iso 8601 regex
        // 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00)
        var extendedIsoRegex =
            /^\s*((?:[+-]\d{6}|\d{4})-(?:\d\d-\d\d|W\d\d-\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?::\d\d(?::\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?/;
        var basicIsoRegex =
            /^\s*((?:[+-]\d{6}|\d{4})(?:\d\d\d\d|W\d\d\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?:\d\d(?:\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?/;

        var tzRegex = /Z|[+-]\d\d(?::?\d\d)?/;

        var isoDates = [
            ["YYYYYY-MM-DD", /[+-]\d{6}-\d\d-\d\d/],
            ["YYYY-MM-DD", /\d{4}-\d\d-\d\d/],
            ["GGGG-[W]WW-E", /\d{4}-W\d\d-\d/],
            ["GGGG-[W]WW", /\d{4}-W\d\d/, false],
            ["YYYY-DDD", /\d{4}-\d{3}/],
            ["YYYY-MM", /\d{4}-\d\d/, false],
            ["YYYYYYMMDD", /[+-]\d{10}/],
            ["YYYYMMDD", /\d{8}/],
            // YYYYMM is NOT allowed by the standard
            ["GGGG[W]WWE", /\d{4}W\d{3}/],
            ["GGGG[W]WW", /\d{4}W\d{2}/, false],
            ["YYYYDDD", /\d{7}/]
        ];

        // iso time formats and regexes
        var isoTimes = [
            ["HH:mm:ss.SSSS", /\d\d:\d\d:\d\d\.\d+/],
            ["HH:mm:ss,SSSS", /\d\d:\d\d:\d\d,\d+/],
            ["HH:mm:ss", /\d\d:\d\d:\d\d/],
            ["HH:mm", /\d\d:\d\d/],
            ["HHmmss.SSSS", /\d\d\d\d\d\d\.\d+/],
            ["HHmmss,SSSS", /\d\d\d\d\d\d,\d+/],
            ["HHmmss", /\d\d\d\d\d\d/],
            ["HHmm", /\d\d\d\d/],
            ["HH", /\d\d/]
        ];

        var aspNetJsonRegex = /^\/?Date\((\-?\d+)/i;

        // date from iso format
        function configFromISO(config) {
            var i,
                l,
                string = config._i,
                match = extendedIsoRegex.exec(string) || basicIsoRegex.exec(string),
                allowTime,
                dateFormat,
                timeFormat,
                tzFormat;

            if (match) {
                getParsingFlags(config).iso = true;

                for (i = 0, l = isoDates.length; i < l; i++) {
                    if (isoDates[i][1].exec(match[1])) {
                        dateFormat = isoDates[i][0];
                        allowTime = isoDates[i][2] !== false;
                        break;
                    }
                }
                if (dateFormat == null) {
                    config._isValid = false;
                    return;
                }
                if (match[3]) {
                    for (i = 0, l = isoTimes.length; i < l; i++) {
                        if (isoTimes[i][1].exec(match[3])) {
                            // match[2] should be 'T' or space
                            timeFormat = (match[2] || " ") + isoTimes[i][0];
                            break;
                        }
                    }
                    if (timeFormat == null) {
                        config._isValid = false;
                        return;
                    }
                }
                if (!allowTime && timeFormat != null) {
                    config._isValid = false;
                    return;
                }
                if (match[4]) {
                    if (tzRegex.exec(match[4])) {
                        tzFormat = "Z";
                    } else {
                        config._isValid = false;
                        return;
                    }
                }
                config._f = dateFormat + (timeFormat || "") + (tzFormat || "");
                configFromStringAndFormat(config);
            } else {
                config._isValid = false;
            }
        }

        // date from iso format or fallback
        function configFromString(config) {
            var matched = aspNetJsonRegex.exec(config._i);

            if (matched !== null) {
                config._d = new Date(+matched[1]);
                return;
            }

            configFromISO(config);
            if (config._isValid === false) {
                delete config._isValid;
                utils_hooks__hooks.createFromInputFallback(config);
            }
        }

        utils_hooks__hooks.createFromInputFallback = deprecate(
            "moment construction falls back to js Date. This is " +
            "discouraged and will be removed in upcoming major " +
            "release. Please refer to " +
            "https://github.com/moment/moment/issues/1407 for more info.",
            function(config) {
                config._d = new Date(config._i + (config._useUTC ? " UTC" : ""));
            }
        );

        function createDate(y, m, d, h, M, s, ms) {
            //can't just apply() to create a date:
            //http://stackoverflow.com/questions/181348/instantiating-a-javascript-object-by-calling-prototype-constructor-apply
            var date = new Date(y, m, d, h, M, s, ms);

            //the date constructor remaps years 0-99 to 1900-1999
            if (y < 100 && y >= 0 && isFinite(date.getFullYear())) {
                date.setFullYear(y);
            }
            return date;
        }

        function createUTCDate(y) {
            var date = new Date(Date.UTC.apply(null, arguments));

            //the Date.UTC function remaps years 0-99 to 1900-1999
            if (y < 100 && y >= 0 && isFinite(date.getUTCFullYear())) {
                date.setUTCFullYear(y);
            }
            return date;
        }

        // FORMATTING

        addFormatToken("Y",
            0,
            0,
            function() {
                var y = this.year();
                return y <= 9999 ? "" + y : "+" + y;
            });

        addFormatToken(0,
            ["YY", 2],
            0,
            function() {
                return this.year() % 100;
            });

        addFormatToken(0, ["YYYY", 4], 0, "year");
        addFormatToken(0, ["YYYYY", 5], 0, "year");
        addFormatToken(0, ["YYYYYY", 6, true], 0, "year");

        // ALIASES

        addUnitAlias("year", "y");

        // PARSING

        addRegexToken("Y", matchSigned);
        addRegexToken("YY", match1to2, match2);
        addRegexToken("YYYY", match1to4, match4);
        addRegexToken("YYYYY", match1to6, match6);
        addRegexToken("YYYYYY", match1to6, match6);

        addParseToken(["YYYYY", "YYYYYY"], YEAR);
        addParseToken("YYYY",
            function(input, array) {
                array[YEAR] = input.length === 2 ? utils_hooks__hooks.parseTwoDigitYear(input) : toInt(input);
            });
        addParseToken("YY",
            function(input, array) {
                array[YEAR] = utils_hooks__hooks.parseTwoDigitYear(input);
            });
        addParseToken("Y",
            function(input, array) {
                array[YEAR] = parseInt(input, 10);
            });

        // HELPERS

        function daysInYear(year) {
            return isLeapYear(year) ? 366 : 365;
        }

        function isLeapYear(year) {
            return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0;
        }

        // HOOKS

        utils_hooks__hooks.parseTwoDigitYear = function(input) {
            return toInt(input) + (toInt(input) > 68 ? 1900 : 2000);
        };

        // MOMENTS

        var getSetYear = makeGetSet("FullYear", false);

        function getIsLeapYear() {
            return isLeapYear(this.year());
        }

        // start-of-first-week - start-of-year
        function firstWeekOffset(year, dow, doy) {
            var // first-week day -- which january is always in the first week (4 for iso, 1 for other)
                fwd = 7 + dow - doy,
                // first-week day local weekday -- which local weekday is fwd
                fwdlw = (7 + createUTCDate(year, 0, fwd).getUTCDay() - dow) % 7;

            return -fwdlw + fwd - 1;
        }

        //http://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday
        function dayOfYearFromWeeks(year, week, weekday, dow, doy) {
            var localWeekday = (7 + weekday - dow) % 7,
                weekOffset = firstWeekOffset(year, dow, doy),
                dayOfYear = 1 + 7 * (week - 1) + localWeekday + weekOffset,
                resYear,
                resDayOfYear;

            if (dayOfYear <= 0) {
                resYear = year - 1;
                resDayOfYear = daysInYear(resYear) + dayOfYear;
            } else if (dayOfYear > daysInYear(year)) {
                resYear = year + 1;
                resDayOfYear = dayOfYear - daysInYear(year);
            } else {
                resYear = year;
                resDayOfYear = dayOfYear;
            }

            return {
                year: resYear,
                dayOfYear: resDayOfYear
            };
        }

        function weekOfYear(mom, dow, doy) {
            var weekOffset = firstWeekOffset(mom.year(), dow, doy),
                week = Math.floor((mom.dayOfYear() - weekOffset - 1) / 7) + 1,
                resWeek,
                resYear;

            if (week < 1) {
                resYear = mom.year() - 1;
                resWeek = week + weeksInYear(resYear, dow, doy);
            } else if (week > weeksInYear(mom.year(), dow, doy)) {
                resWeek = week - weeksInYear(mom.year(), dow, doy);
                resYear = mom.year() + 1;
            } else {
                resYear = mom.year();
                resWeek = week;
            }

            return {
                week: resWeek,
                year: resYear
            };
        }

        function weeksInYear(year, dow, doy) {
            var weekOffset = firstWeekOffset(year, dow, doy),
                weekOffsetNext = firstWeekOffset(year + 1, dow, doy);
            return (daysInYear(year) - weekOffset + weekOffsetNext) / 7;
        }

        // Pick the first defined of two or three arguments.
        function defaults(a, b, c) {
            if (a != null) {
                return a;
            }
            if (b != null) {
                return b;
            }
            return c;
        }

        function currentDateArray(config) {
            // hooks is actually the exported moment object
            var nowValue = new Date(utils_hooks__hooks.now());
            if (config._useUTC) {
                return [nowValue.getUTCFullYear(), nowValue.getUTCMonth(), nowValue.getUTCDate()];
            }
            return [nowValue.getFullYear(), nowValue.getMonth(), nowValue.getDate()];
        }

        // convert an array to a date.
        // the array should mirror the parameters below
        // note: all values past the year are optional and will default to the lowest possible value.
        // [year, month, day , hour, minute, second, millisecond]
        function configFromArray(config) {
            var i, date, input = [], currentDate, yearToUse;

            if (config._d) {
                return;
            }

            currentDate = currentDateArray(config);

            //compute day of the year from weeks and weekdays
            if (config._w && config._a[DATE] == null && config._a[MONTH] == null) {
                dayOfYearFromWeekInfo(config);
            }

            //if the day of the year is set, figure out what it is
            if (config._dayOfYear) {
                yearToUse = defaults(config._a[YEAR], currentDate[YEAR]);

                if (config._dayOfYear > daysInYear(yearToUse)) {
                    getParsingFlags(config)._overflowDayOfYear = true;
                }

                date = createUTCDate(yearToUse, 0, config._dayOfYear);
                config._a[MONTH] = date.getUTCMonth();
                config._a[DATE] = date.getUTCDate();
            }

            // Default to current date.
            // * if no year, month, day of month are given, default to today
            // * if day of month is given, default month and year
            // * if month is given, default only year
            // * if year is given, don't default anything
            for (i = 0; i < 3 && config._a[i] == null; ++i) {
                config._a[i] = input[i] = currentDate[i];
            }

            // Zero out whatever was not defaulted, including time
            for (; i < 7; i++) {
                config._a[i] = input[i] = (config._a[i] == null) ? (i === 2 ? 1 : 0) : config._a[i];
            }

            // Check for 24:00:00.000
            if (config._a[HOUR] === 24 &&
                config._a[MINUTE] === 0 &&
                config._a[SECOND] === 0 &&
                config._a[MILLISECOND] === 0) {
                config._nextDay = true;
                config._a[HOUR] = 0;
            }

            config._d = (config._useUTC ? createUTCDate : createDate).apply(null, input);
            // Apply timezone offset from input. The actual utcOffset can be changed
            // with parseZone.
            if (config._tzm != null) {
                config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm);
            }

            if (config._nextDay) {
                config._a[HOUR] = 24;
            }
        }

        function dayOfYearFromWeekInfo(config) {
            var w, weekYear, week, weekday, dow, doy, temp, weekdayOverflow;

            w = config._w;
            if (w.GG != null || w.W != null || w.E != null) {
                dow = 1;
                doy = 4;

                // TODO: We need to take the current isoWeekYear, but that depends on
                // how we interpret now (local, utc, fixed offset). So create
                // a now version of current config (take local/utc/offset flags, and
                // create now).
                weekYear = defaults(w.GG, config._a[YEAR], weekOfYear(local__createLocal(), 1, 4).year);
                week = defaults(w.W, 1);
                weekday = defaults(w.E, 1);
                if (weekday < 1 || weekday > 7) {
                    weekdayOverflow = true;
                }
            } else {
                dow = config._locale._week.dow;
                doy = config._locale._week.doy;

                weekYear = defaults(w.gg, config._a[YEAR], weekOfYear(local__createLocal(), dow, doy).year);
                week = defaults(w.w, 1);

                if (w.d != null) {
                    // weekday -- low day numbers are considered next week
                    weekday = w.d;
                    if (weekday < 0 || weekday > 6) {
                        weekdayOverflow = true;
                    }
                } else if (w.e != null) {
                    // local weekday -- counting starts from begining of week
                    weekday = w.e + dow;
                    if (w.e < 0 || w.e > 6) {
                        weekdayOverflow = true;
                    }
                } else {
                    // default to begining of week
                    weekday = dow;
                }
            }
            if (week < 1 || week > weeksInYear(weekYear, dow, doy)) {
                getParsingFlags(config)._overflowWeeks = true;
            } else if (weekdayOverflow != null) {
                getParsingFlags(config)._overflowWeekday = true;
            } else {
                temp = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy);
                config._a[YEAR] = temp.year;
                config._dayOfYear = temp.dayOfYear;
            }
        }

        // constant that refers to the ISO standard
        utils_hooks__hooks.ISO_8601 = function() {};

        // date from string and format string
        function configFromStringAndFormat(config) {
            // TODO: Move this to another part of the creation flow to prevent circular deps
            if (config._f === utils_hooks__hooks.ISO_8601) {
                configFromISO(config);
                return;
            }

            config._a = [];
            getParsingFlags(config).empty = true;

            // This array is used to make a Date, either with `new Date` or `Date.UTC`
            var string = "" + config._i,
                i,
                parsedInput,
                tokens,
                token,
                skipped,
                stringLength = string.length,
                totalParsedInputLength = 0;

            tokens = expandFormat(config._f, config._locale).match(formattingTokens) || [];

            for (i = 0; i < tokens.length; i++) {
                token = tokens[i];
                parsedInput = (string.match(getParseRegexForToken(token, config)) || [])[0];
                // console.log('token', token, 'parsedInput', parsedInput,
                //         'regex', getParseRegexForToken(token, config));
                if (parsedInput) {
                    skipped = string.substr(0, string.indexOf(parsedInput));
                    if (skipped.length > 0) {
                        getParsingFlags(config).unusedInput.push(skipped);
                    }
                    string = string.slice(string.indexOf(parsedInput) + parsedInput.length);
                    totalParsedInputLength += parsedInput.length;
                }
                // don't parse if it's not a known token
                if (formatTokenFunctions[token]) {
                    if (parsedInput) {
                        getParsingFlags(config).empty = false;
                    } else {
                        getParsingFlags(config).unusedTokens.push(token);
                    }
                    addTimeToArrayFromToken(token, parsedInput, config);
                } else if (config._strict && !parsedInput) {
                    getParsingFlags(config).unusedTokens.push(token);
                }
            }

            // add remaining unparsed input length to the string
            getParsingFlags(config).charsLeftOver = stringLength - totalParsedInputLength;
            if (string.length > 0) {
                getParsingFlags(config).unusedInput.push(string);
            }

            // clear _12h flag if hour is <= 12
            if (getParsingFlags(config).bigHour === true &&
                config._a[HOUR] <= 12 &&
                config._a[HOUR] > 0) {
                getParsingFlags(config).bigHour = undefined;
            }
            // handle meridiem
            config._a[HOUR] = meridiemFixWrap(config._locale, config._a[HOUR], config._meridiem);

            configFromArray(config);
            checkOverflow(config);
        }


        function meridiemFixWrap(locale, hour, meridiem) {
            var isPm;

            if (meridiem == null) {
                // nothing to do
                return hour;
            }
            if (locale.meridiemHour != null) {
                return locale.meridiemHour(hour, meridiem);
            } else if (locale.isPM != null) {
                // Fallback
                isPm = locale.isPM(meridiem);
                if (isPm && hour < 12) {
                    hour += 12;
                }
                if (!isPm && hour === 12) {
                    hour = 0;
                }
                return hour;
            } else {
                // this is not supposed to happen
                return hour;
            }
        }

        // date from string and array of format strings
        function configFromStringAndArray(config) {
            var tempConfig,
                bestMoment,

                scoreToBeat,
                i,
                currentScore;

            if (config._f.length === 0) {
                getParsingFlags(config).invalidFormat = true;
                config._d = new Date(NaN);
                return;
            }

            for (i = 0; i < config._f.length; i++) {
                currentScore = 0;
                tempConfig = copyConfig({}, config);
                if (config._useUTC != null) {
                    tempConfig._useUTC = config._useUTC;
                }
                tempConfig._f = config._f[i];
                configFromStringAndFormat(tempConfig);

                if (!valid__isValid(tempConfig)) {
                    continue;
                }

                // if there is any input that was not parsed add a penalty for that format
                currentScore += getParsingFlags(tempConfig).charsLeftOver;

                //or tokens
                currentScore += getParsingFlags(tempConfig).unusedTokens.length * 10;

                getParsingFlags(tempConfig).score = currentScore;

                if (scoreToBeat == null || currentScore < scoreToBeat) {
                    scoreToBeat = currentScore;
                    bestMoment = tempConfig;
                }
            }

            extend(config, bestMoment || tempConfig);
        }

        function configFromObject(config) {
            if (config._d) {
                return;
            }

            var i = normalizeObjectUnits(config._i);
            config._a = map([i.year, i.month, i.day || i.date, i.hour, i.minute, i.second, i.millisecond],
                function(obj) {
                    return obj && parseInt(obj, 10);
                });

            configFromArray(config);
        }

        function createFromConfig(config) {
            var res = new Moment(checkOverflow(prepareConfig(config)));
            if (res._nextDay) {
                // Adding is smart enough around DST
                res.add(1, "d");
                res._nextDay = undefined;
            }

            return res;
        }

        function prepareConfig(config) {
            var input = config._i,
                format = config._f;

            config._locale = config._locale || locale_locales__getLocale(config._l);

            if (input === null || (format === undefined && input === "")) {
                return valid__createInvalid({ nullInput: true });
            }

            if (typeof input === "string") {
                config._i = input = config._locale.preparse(input);
            }

            if (isMoment(input)) {
                return new Moment(checkOverflow(input));
            } else if (isArray(format)) {
                configFromStringAndArray(config);
            } else if (format) {
                configFromStringAndFormat(config);
            } else if (isDate(input)) {
                config._d = input;
            } else {
                configFromInput(config);
            }

            if (!valid__isValid(config)) {
                config._d = null;
            }

            return config;
        }

        function configFromInput(config) {
            var input = config._i;
            if (input === undefined) {
                config._d = new Date(utils_hooks__hooks.now());
            } else if (isDate(input)) {
                config._d = new Date(+input);
            } else if (typeof input === "string") {
                configFromString(config);
            } else if (isArray(input)) {
                config._a = map(input.slice(0),
                    function(obj) {
                        return parseInt(obj, 10);
                    });
                configFromArray(config);
            } else if (typeof(input) === "object") {
                configFromObject(config);
            } else if (typeof(input) === "number") {
                // from milliseconds
                config._d = new Date(input);
            } else {
                utils_hooks__hooks.createFromInputFallback(config);
            }
        }

        function createLocalOrUTC(input, format, locale, strict, isUTC) {
            var c = {};

            if (typeof(locale) === "boolean") {
                strict = locale;
                locale = undefined;
            }
            // object construction must be done this way.
            // https://github.com/moment/moment/issues/1423
            c._isAMomentObject = true;
            c._useUTC = c._isUTC = isUTC;
            c._l = locale;
            c._i = input;
            c._f = format;
            c._strict = strict;

            return createFromConfig(c);
        }

        function local__createLocal(input, format, locale, strict) {
            return createLocalOrUTC(input, format, locale, strict, false);
        }

        var prototypeMin = deprecate(
            "moment().min is deprecated, use moment.min instead. https://github.com/moment/moment/issues/1548",
            function() {
                var other = local__createLocal.apply(null, arguments);
                if (this.isValid() && other.isValid()) {
                    return other < this ? this : other;
                } else {
                    return valid__createInvalid();
                }
            }
        );

        var prototypeMax = deprecate(
            "moment().max is deprecated, use moment.max instead. https://github.com/moment/moment/issues/1548",
            function() {
                var other = local__createLocal.apply(null, arguments);
                if (this.isValid() && other.isValid()) {
                    return other > this ? this : other;
                } else {
                    return valid__createInvalid();
                }
            }
        );

        // Pick a moment m from moments so that m[fn](other) is true for all
        // other. This relies on the function fn to be transitive.
        //
        // moments should either be an array of moment objects or an array, whose
        // first element is an array of moment objects.
        function pickBy(fn, moments) {
            var res, i;
            if (moments.length === 1 && isArray(moments[0])) {
                moments = moments[0];
            }
            if (!moments.length) {
                return local__createLocal();
            }
            res = moments[0];
            for (i = 1; i < moments.length; ++i) {
                if (!moments[i].isValid() || moments[i][fn](res)) {
                    res = moments[i];
                }
            }
            return res;
        }

        // TODO: Use [].sort instead?
        function min() {
            var args = [].slice.call(arguments, 0);

            return pickBy("isBefore", args);
        }

        function max() {
            var args = [].slice.call(arguments, 0);

            return pickBy("isAfter", args);
        }

        var now = function() {
            return Date.now ? Date.now() : +(new Date());
        };

        function Duration(duration) {
            var normalizedInput = normalizeObjectUnits(duration),
                years = normalizedInput.year || 0,
                quarters = normalizedInput.quarter || 0,
                months = normalizedInput.month || 0,
                weeks = normalizedInput.week || 0,
                days = normalizedInput.day || 0,
                hours = normalizedInput.hour || 0,
                minutes = normalizedInput.minute || 0,
                seconds = normalizedInput.second || 0,
                milliseconds = normalizedInput.millisecond || 0;

            // representation for dateAddRemove
            this._milliseconds = +milliseconds +
                seconds * 1e3 + // 1000
                minutes * 6e4 + // 1000 * 60
                hours * 36e5; // 1000 * 60 * 60
            // Because of dateAddRemove treats 24 hours as different from a
            // day when working around DST, we need to store them separately
            this._days = +days +
                weeks * 7;
            // It is impossible translate months into days without knowing
            // which months you are are talking about, so we have to store
            // it separately.
            this._months = +months +
                quarters * 3 +
                years * 12;

            this._data = {};

            this._locale = locale_locales__getLocale();

            this._bubble();
        }

        function isDuration(obj) {
            return obj instanceof Duration;
        }

        // FORMATTING

        function offset(token, separator) {
            addFormatToken(token,
                0,
                0,
                function() {
                    var offset = this.utcOffset();
                    var sign = "+";
                    if (offset < 0) {
                        offset = -offset;
                        sign = "-";
                    }
                    return sign + zeroFill(~~(offset / 60), 2) + separator + zeroFill(~~(offset) % 60, 2);
                });
        }

        offset("Z", ":");
        offset("ZZ", "");

        // PARSING

        addRegexToken("Z", matchShortOffset);
        addRegexToken("ZZ", matchShortOffset);
        addParseToken(["Z", "ZZ"],
            function(input, array, config) {
                config._useUTC = true;
                config._tzm = offsetFromString(matchShortOffset, input);
            });

        // HELPERS

        // timezone chunker
        // '+10:00' > ['10',  '00']
        // '-1530'  > ['-15', '30']
        var chunkOffset = /([\+\-]|\d\d)/gi;

        function offsetFromString(matcher, string) {
            var matches = ((string || "").match(matcher) || []);
            var chunk = matches[matches.length - 1] || [];
            var parts = (chunk + "").match(chunkOffset) || ["-", 0, 0];
            var minutes = +(parts[1] * 60) + toInt(parts[2]);

            return parts[0] === "+" ? minutes : -minutes;
        }

        // Return a moment from input, that is local/utc/zone equivalent to model.
        function cloneWithOffset(input, model) {
            var res, diff;
            if (model._isUTC) {
                res = model.clone();
                diff = (isMoment(input) || isDate(input) ? +input : +local__createLocal(input)) - (+res);
                // Use low-level api, because this fn is low-level api.
                res._d.setTime(+res._d + diff);
                utils_hooks__hooks.updateOffset(res, false);
                return res;
            } else {
                return local__createLocal(input).local();
            }
        }

        function getDateOffset(m) {
            // On Firefox.24 Date#getTimezoneOffset returns a floating point.
            // https://github.com/moment/moment/pull/1871
            return -Math.round(m._d.getTimezoneOffset() / 15) * 15;
        }

        // HOOKS

        // This function will be called whenever a moment is mutated.
        // It is intended to keep the offset in sync with the timezone.
        utils_hooks__hooks.updateOffset = function() {};

        // MOMENTS

        // keepLocalTime = true means only change the timezone, without
        // affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]-->
        // 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset
        // +0200, so we adjust the time as needed, to be valid.
        //
        // Keeping the time actually adds/subtracts (one hour)
        // from the actual represented time. That is why we call updateOffset
        // a second time. In case it wants us to change the offset again
        // _changeInProgress == true case, then we have to adjust, because
        // there is no such time in the given timezone.
        function getSetOffset(input, keepLocalTime) {
            var offset = this._offset || 0,
                localAdjust;
            if (!this.isValid()) {
                return input != null ? this : NaN;
            }
            if (input != null) {
                if (typeof input === "string") {
                    input = offsetFromString(matchShortOffset, input);
                } else if (Math.abs(input) < 16) {
                    input = input * 60;
                }
                if (!this._isUTC && keepLocalTime) {
                    localAdjust = getDateOffset(this);
                }
                this._offset = input;
                this._isUTC = true;
                if (localAdjust != null) {
                    this.add(localAdjust, "m");
                }
                if (offset !== input) {
                    if (!keepLocalTime || this._changeInProgress) {
                        add_subtract__addSubtract(this, create__createDuration(input - offset, "m"), 1, false);
                    } else if (!this._changeInProgress) {
                        this._changeInProgress = true;
                        utils_hooks__hooks.updateOffset(this, true);
                        this._changeInProgress = null;
                    }
                }
                return this;
            } else {
                return this._isUTC ? offset : getDateOffset(this);
            }
        }

        function getSetZone(input, keepLocalTime) {
            if (input != null) {
                if (typeof input !== "string") {
                    input = -input;
                }

                this.utcOffset(input, keepLocalTime);

                return this;
            } else {
                return -this.utcOffset();
            }
        }

        function setOffsetToUTC(keepLocalTime) {
            return this.utcOffset(0, keepLocalTime);
        }

        function setOffsetToLocal(keepLocalTime) {
            if (this._isUTC) {
                this.utcOffset(0, keepLocalTime);
                this._isUTC = false;

                if (keepLocalTime) {
                    this.subtract(getDateOffset(this), "m");
                }
            }
            return this;
        }

        function setOffsetToParsedOffset() {
            if (this._tzm) {
                this.utcOffset(this._tzm);
            } else if (typeof this._i === "string") {
                this.utcOffset(offsetFromString(matchOffset, this._i));
            }
            return this;
        }

        function hasAlignedHourOffset(input) {
            if (!this.isValid()) {
                return false;
            }
            input = input ? local__createLocal(input).utcOffset() : 0;

            return (this.utcOffset() - input) % 60 === 0;
        }

        function isDaylightSavingTime() {
            return (
                this.utcOffset() > this.clone().month(0).utcOffset() ||
                    this.utcOffset() > this.clone().month(5).utcOffset()
            );
        }

        function isDaylightSavingTimeShifted() {
            if (!isUndefined(this._isDSTShifted)) {
                return this._isDSTShifted;
            }

            var c = {};

            copyConfig(c, this);
            c = prepareConfig(c);

            if (c._a) {
                var other = c._isUTC ? create_utc__createUTC(c._a) : local__createLocal(c._a);
                this._isDSTShifted = this.isValid() &&
                    compareArrays(c._a, other.toArray()) > 0;
            } else {
                this._isDSTShifted = false;
            }

            return this._isDSTShifted;
        }

        function isLocal() {
            return this.isValid() ? !this._isUTC : false;
        }

        function isUtcOffset() {
            return this.isValid() ? this._isUTC : false;
        }

        function isUtc() {
            return this.isValid() ? this._isUTC && this._offset === 0 : false;
        }

        // ASP.NET json date format regex
        var aspNetRegex = /^(\-)?(?:(\d*)[. ])?(\d+)\:(\d+)(?:\:(\d+)\.?(\d{3})?\d*)?$/;

        // from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html
        // somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere
        var isoRegex =
            /^(-)?P(?:(?:([0-9,.]*)Y)?(?:([0-9,.]*)M)?(?:([0-9,.]*)D)?(?:T(?:([0-9,.]*)H)?(?:([0-9,.]*)M)?(?:([0-9,.]*)S)?)?|([0-9,.]*)W)$/;

        function create__createDuration(input, key) {
            var duration = input,
                // matching against regexp is expensive, do it on demand
                match = null,
                sign,
                ret,
                diffRes;

            if (isDuration(input)) {
                duration = {
                    ms: input._milliseconds,
                    d: input._days,
                    M: input._months
                };
            } else if (typeof input === "number") {
                duration = {};
                if (key) {
                    duration[key] = input;
                } else {
                    duration.milliseconds = input;
                }
            } else if (!!(match = aspNetRegex.exec(input))) {
                sign = (match[1] === "-") ? -1 : 1;
                duration = {
                    y: 0,
                    d: toInt(match[DATE]) * sign,
                    h: toInt(match[HOUR]) * sign,
                    m: toInt(match[MINUTE]) * sign,
                    s: toInt(match[SECOND]) * sign,
                    ms: toInt(match[MILLISECOND]) * sign
                };
            } else if (!!(match = isoRegex.exec(input))) {
                sign = (match[1] === "-") ? -1 : 1;
                duration = {
                    y: parseIso(match[2], sign),
                    M: parseIso(match[3], sign),
                    d: parseIso(match[4], sign),
                    h: parseIso(match[5], sign),
                    m: parseIso(match[6], sign),
                    s: parseIso(match[7], sign),
                    w: parseIso(match[8], sign)
                };
            } else if (duration == null) { // checks for null or undefined
                duration = {};
            } else if (typeof duration === "object" && ("from" in duration || "to" in duration)) {
                diffRes = momentsDifference(local__createLocal(duration.from), local__createLocal(duration.to));

                duration = {};
                duration.ms = diffRes.milliseconds;
                duration.M = diffRes.months;
            }

            ret = new Duration(duration);

            if (isDuration(input) && hasOwnProp(input, "_locale")) {
                ret._locale = input._locale;
            }

            return ret;
        }

        create__createDuration.fn = Duration.prototype;

        function parseIso(inp, sign) {
            // We'd normally use ~~inp for this, but unfortunately it also
            // converts floats to ints.
            // inp may be undefined, so careful calling replace on it.
            var res = inp && parseFloat(inp.replace(",", "."));
            // apply sign while we're at it
            return (isNaN(res) ? 0 : res) * sign;
        }

        function positiveMomentsDifference(base, other) {
            var res = { milliseconds: 0, months: 0 };

            res.months = other.month() -
                base.month() +
                (other.year() - base.year()) * 12;
            if (base.clone().add(res.months, "M").isAfter(other)) {
                --res.months;
            }

            res.milliseconds = +other - +(base.clone().add(res.months, "M"));

            return res;
        }

        function momentsDifference(base, other) {
            var res;
            if (!(base.isValid() && other.isValid())) {
                return { milliseconds: 0, months: 0 };
            }

            other = cloneWithOffset(other, base);
            if (base.isBefore(other)) {
                res = positiveMomentsDifference(base, other);
            } else {
                res = positiveMomentsDifference(other, base);
                res.milliseconds = -res.milliseconds;
                res.months = -res.months;
            }

            return res;
        }

        // TODO: remove 'name' arg after deprecation is removed
        function createAdder(direction, name) {
            return function(val, period) {
                var dur, tmp;
                //invert the arguments, but complain about it
                if (period !== null && !isNaN(+period)) {
                    deprecateSimple(name,
                        "moment()." +
                        name +
                        "(period, number) is deprecated. Please use moment()." +
                        name +
                        "(number, period).");
                    tmp = val;
                    val = period;
                    period = tmp;
                }

                val = typeof val === "string" ? +val : val;
                dur = create__createDuration(val, period);
                add_subtract__addSubtract(this, dur, direction);
                return this;
            };
        }

        function add_subtract__addSubtract(mom, duration, isAdding, updateOffset) {
            var milliseconds = duration._milliseconds,
                days = duration._days,
                months = duration._months;

            if (!mom.isValid()) {
                // No op
                return;
            }

            updateOffset = updateOffset == null ? true : updateOffset;

            if (milliseconds) {
                mom._d.setTime(+mom._d + milliseconds * isAdding);
            }
            if (days) {
                get_set__set(mom, "Date", get_set__get(mom, "Date") + days * isAdding);
            }
            if (months) {
                setMonth(mom, get_set__get(mom, "Month") + months * isAdding);
            }
            if (updateOffset) {
                utils_hooks__hooks.updateOffset(mom, days || months);
            }
        }

        var add_subtract__add = createAdder(1, "add");
        var add_subtract__subtract = createAdder(-1, "subtract");

        function moment_calendar__calendar(time, formats) {
            // We want to compare the start of today, vs this.
            // Getting start-of-today depends on whether we're local/utc/offset or not.
            var now = time || local__createLocal(),
                sod = cloneWithOffset(now, this).startOf("day"),
                diff = this.diff(sod, "days", true),
                format = diff < -6
                    ? "sameElse"
                    : diff < -1
                    ? "lastWeek"
                    : diff < 0
                    ? "lastDay"
                    : diff < 1
                    ? "sameDay"
                    : diff < 2
                    ? "nextDay"
                    : diff < 7
                    ? "nextWeek"
                    : "sameElse";

            var output = formats && (isFunction(formats[format]) ? formats[format]() : formats[format]);

            return this.format(output || this.localeData().calendar(format, this, local__createLocal(now)));
        }

        function clone() {
            return new Moment(this);
        }

        function isAfter(input, units) {
            var localInput = isMoment(input) ? input : local__createLocal(input);
            if (!(this.isValid() && localInput.isValid())) {
                return false;
            }
            units = normalizeUnits(!isUndefined(units) ? units : "millisecond");
            if (units === "millisecond") {
                return +this > +localInput;
            } else {
                return +localInput < +this.clone().startOf(units);
            }
        }

        function isBefore(input, units) {
            var localInput = isMoment(input) ? input : local__createLocal(input);
            if (!(this.isValid() && localInput.isValid())) {
                return false;
            }
            units = normalizeUnits(!isUndefined(units) ? units : "millisecond");
            if (units === "millisecond") {
                return +this < +localInput;
            } else {
                return +this.clone().endOf(units) < +localInput;
            }
        }

        function isBetween(from, to, units) {
            return this.isAfter(from, units) && this.isBefore(to, units);
        }

        function isSame(input, units) {
            var localInput = isMoment(input) ? input : local__createLocal(input),
                inputMs;
            if (!(this.isValid() && localInput.isValid())) {
                return false;
            }
            units = normalizeUnits(units || "millisecond");
            if (units === "millisecond") {
                return +this === +localInput;
            } else {
                inputMs = +localInput;
                return +(this.clone().startOf(units)) <= inputMs && inputMs <= +(this.clone().endOf(units));
            }
        }

        function isSameOrAfter(input, units) {
            return this.isSame(input, units) || this.isAfter(input, units);
        }

        function isSameOrBefore(input, units) {
            return this.isSame(input, units) || this.isBefore(input, units);
        }

        function diff(input, units, asFloat) {
            var that,
                zoneDelta,
                delta,
                output;

            if (!this.isValid()) {
                return NaN;
            }

            that = cloneWithOffset(input, this);

            if (!that.isValid()) {
                return NaN;
            }

            zoneDelta = (that.utcOffset() - this.utcOffset()) * 6e4;

            units = normalizeUnits(units);

            if (units === "year" || units === "month" || units === "quarter") {
                output = monthDiff(this, that);
                if (units === "quarter") {
                    output = output / 3;
                } else if (units === "year") {
                    output = output / 12;
                }
            } else {
                delta = this - that;
                output = units === "second"
                    ? delta / 1e3
                    : // 1000
                    units === "minute"
                    ? delta / 6e4
                    : // 1000 * 60
                    units === "hour"
                    ? delta / 36e5
                    : // 1000 * 60 * 60
                    units === "day"
                    ? (delta - zoneDelta) / 864e5
                    : // 1000 * 60 * 60 * 24, negate dst
                    units === "week"
                    ? (delta - zoneDelta) / 6048e5
                    : // 1000 * 60 * 60 * 24 * 7, negate dst
                    delta;
            }
            return asFloat ? output : absFloor(output);
        }

        function monthDiff(a, b) {
            // difference in months
            var wholeMonthDiff = ((b.year() - a.year()) * 12) + (b.month() - a.month()),
                // b is in (anchor - 1 month, anchor + 1 month)
                anchor = a.clone().add(wholeMonthDiff, "months"),
                anchor2,
                adjust;

            if (b - anchor < 0) {
                anchor2 = a.clone().add(wholeMonthDiff - 1, "months");
                // linear across the month
                adjust = (b - anchor) / (anchor - anchor2);
            } else {
                anchor2 = a.clone().add(wholeMonthDiff + 1, "months");
                // linear across the month
                adjust = (b - anchor) / (anchor2 - anchor);
            }

            return -(wholeMonthDiff + adjust);
        }

        utils_hooks__hooks.defaultFormat = "YYYY-MM-DDTHH:mm:ssZ";

        function toString() {
            return this.clone().locale("en").format("ddd MMM DD YYYY HH:mm:ss [GMT]ZZ");
        }

        function moment_format__toISOString() {
            var m = this.clone().utc();
            if (0 < m.year() && m.year() <= 9999) {
                if (isFunction(Date.prototype.toISOString)) {
                    // native implementation is ~50x faster, use it when we can
                    return this.toDate().toISOString();
                } else {
                    return formatMoment(m, "YYYY-MM-DD[T]HH:mm:ss.SSS[Z]");
                }
            } else {
                return formatMoment(m, "YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]");
            }
        }

        function format(inputString) {
            var output = formatMoment(this, inputString || utils_hooks__hooks.defaultFormat);
            return this.localeData().postformat(output);
        }

        function from(time, withoutSuffix) {
            if (this.isValid() &&
            ((isMoment(time) && time.isValid()) ||
                local__createLocal(time).isValid())) {
                return create__createDuration({ to: this, from: time }).locale(this.locale()).humanize(!withoutSuffix);
            } else {
                return this.localeData().invalidDate();
            }
        }

        function fromNow(withoutSuffix) {
            return this.from(local__createLocal(), withoutSuffix);
        }

        function to(time, withoutSuffix) {
            if (this.isValid() &&
            ((isMoment(time) && time.isValid()) ||
                local__createLocal(time).isValid())) {
                return create__createDuration({ from: this, to: time }).locale(this.locale()).humanize(!withoutSuffix);
            } else {
                return this.localeData().invalidDate();
            }
        }

        function toNow(withoutSuffix) {
            return this.to(local__createLocal(), withoutSuffix);
        }

        // If passed a locale key, it will set the locale for this
        // instance.  Otherwise, it will return the locale configuration
        // variables for this instance.
        function locale(key) {
            var newLocaleData;

            if (key === undefined) {
                return this._locale._abbr;
            } else {
                newLocaleData = locale_locales__getLocale(key);
                if (newLocaleData != null) {
                    this._locale = newLocaleData;
                }
                return this;
            }
        }

        var lang = deprecate(
            "moment().lang() is deprecated. Instead, use moment().localeData() to get the language configuration. Use moment().locale() to change languages.",
            function(key) {
                if (key === undefined) {
                    return this.localeData();
                } else {
                    return this.locale(key);
                }
            }
        );

        function localeData() {
            return this._locale;
        }

        function startOf(units) {
            units = normalizeUnits(units);
            // the following switch intentionally omits break keywords
            // to utilize falling through the cases.
            switch (units) {
            case "year":
                this.month(0);
            /* falls through */
            case "quarter":
            case "month":
                this.date(1);
            /* falls through */
            case "week":
            case "isoWeek":
            case "day":
                this.hours(0);
            /* falls through */
            case "hour":
                this.minutes(0);
            /* falls through */
            case "minute":
                this.seconds(0);
            /* falls through */
            case "second":
                this.milliseconds(0);
            }

            // weeks are a special case
            if (units === "week") {
                this.weekday(0);
            }
            if (units === "isoWeek") {
                this.isoWeekday(1);
            }

            // quarters are also special
            if (units === "quarter") {
                this.month(Math.floor(this.month() / 3) * 3);
            }

            return this;
        }

        function endOf(units) {
            units = normalizeUnits(units);
            if (units === undefined || units === "millisecond") {
                return this;
            }
            return this.startOf(units).add(1, (units === "isoWeek" ? "week" : units)).subtract(1, "ms");
        }

        function to_type__valueOf() {
            return +this._d - ((this._offset || 0) * 60000);
        }

        function unix() {
            return Math.floor(+this / 1000);
        }

        function toDate() {
            return this._offset ? new Date(+this) : this._d;
        }

        function toArray() {
            var m = this;
            return [m.year(), m.month(), m.date(), m.hour(), m.minute(), m.second(), m.millisecond()];
        }

        function toObject() {
            var m = this;
            return {
                years: m.year(),
                months: m.month(),
                date: m.date(),
                hours: m.hours(),
                minutes: m.minutes(),
                seconds: m.seconds(),
                milliseconds: m.milliseconds()
            };
        }

        function toJSON() {
            // JSON.stringify(new Date(NaN)) === 'null'
            return this.isValid() ? this.toISOString() : "null";
        }

        function moment_valid__isValid() {
            return valid__isValid(this);
        }

        function parsingFlags() {
            return extend({}, getParsingFlags(this));
        }

        function invalidAt() {
            return getParsingFlags(this).overflow;
        }

        function creationData() {
            return {
                input: this._i,
                format: this._f,
                locale: this._locale,
                isUTC: this._isUTC,
                strict: this._strict
            };
        }

        // FORMATTING

        addFormatToken(0,
            ["gg", 2],
            0,
            function() {
                return this.weekYear() % 100;
            });

        addFormatToken(0,
            ["GG", 2],
            0,
            function() {
                return this.isoWeekYear() % 100;
            });

        function addWeekYearFormatToken(token, getter) {
            addFormatToken(0, [token, token.length], 0, getter);
        }

        addWeekYearFormatToken("gggg", "weekYear");
        addWeekYearFormatToken("ggggg", "weekYear");
        addWeekYearFormatToken("GGGG", "isoWeekYear");
        addWeekYearFormatToken("GGGGG", "isoWeekYear");

        // ALIASES

        addUnitAlias("weekYear", "gg");
        addUnitAlias("isoWeekYear", "GG");

        // PARSING

        addRegexToken("G", matchSigned);
        addRegexToken("g", matchSigned);
        addRegexToken("GG", match1to2, match2);
        addRegexToken("gg", match1to2, match2);
        addRegexToken("GGGG", match1to4, match4);
        addRegexToken("gggg", match1to4, match4);
        addRegexToken("GGGGG", match1to6, match6);
        addRegexToken("ggggg", match1to6, match6);

        addWeekParseToken(["gggg", "ggggg", "GGGG", "GGGGG"],
            function(input, week, config, token) {
                week[token.substr(0, 2)] = toInt(input);
            });

        addWeekParseToken(["gg", "GG"],
            function(input, week, config, token) {
                week[token] = utils_hooks__hooks.parseTwoDigitYear(input);
            });

        // MOMENTS

        function getSetWeekYear(input) {
            return getSetWeekYearHelper.call(this,
                input,
                this.week(),
                this.weekday(),
                this.localeData()._week.dow,
                this.localeData()._week.doy);
        }

        function getSetISOWeekYear(input) {
            return getSetWeekYearHelper.call(this,
                input,
                this.isoWeek(),
                this.isoWeekday(),
                1,
                4);
        }

        function getISOWeeksInYear() {
            return weeksInYear(this.year(), 1, 4);
        }

        function getWeeksInYear() {
            var weekInfo = this.localeData()._week;
            return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy);
        }

        function getSetWeekYearHelper(input, week, weekday, dow, doy) {
            var weeksTarget;
            if (input == null) {
                return weekOfYear(this, dow, doy).year;
            } else {
                weeksTarget = weeksInYear(input, dow, doy);
                if (week > weeksTarget) {
                    week = weeksTarget;
                }
                return setWeekAll.call(this, input, week, weekday, dow, doy);
            }
        }

        function setWeekAll(weekYear, week, weekday, dow, doy) {
            var dayOfYearData = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy),
                date = createUTCDate(dayOfYearData.year, 0, dayOfYearData.dayOfYear);

            // console.log("got", weekYear, week, weekday, "set", date.toISOString());
            this.year(date.getUTCFullYear());
            this.month(date.getUTCMonth());
            this.date(date.getUTCDate());
            return this;
        }

        // FORMATTING

        addFormatToken("Q", 0, "Qo", "quarter");

        // ALIASES

        addUnitAlias("quarter", "Q");

        // PARSING

        addRegexToken("Q", match1);
        addParseToken("Q",
            function(input, array) {
                array[MONTH] = (toInt(input) - 1) * 3;
            });

        // MOMENTS

        function getSetQuarter(input) {
            return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3);
        }

        // FORMATTING

        addFormatToken("w", ["ww", 2], "wo", "week");
        addFormatToken("W", ["WW", 2], "Wo", "isoWeek");

        // ALIASES

        addUnitAlias("week", "w");
        addUnitAlias("isoWeek", "W");

        // PARSING

        addRegexToken("w", match1to2);
        addRegexToken("ww", match1to2, match2);
        addRegexToken("W", match1to2);
        addRegexToken("WW", match1to2, match2);

        addWeekParseToken(["w", "ww", "W", "WW"],
            function(input, week, config, token) {
                week[token.substr(0, 1)] = toInt(input);
            });

        // HELPERS

        // LOCALES

        function localeWeek(mom) {
            return weekOfYear(mom, this._week.dow, this._week.doy).week;
        }

        var defaultLocaleWeek = {
            dow: 0, // Sunday is the first day of the week.
            doy: 6 // The week that contains Jan 1st is the first week of the year.
        };

        function localeFirstDayOfWeek() {
            return this._week.dow;
        }

        function localeFirstDayOfYear() {
            return this._week.doy;
        }

        // MOMENTS

        function getSetWeek(input) {
            var week = this.localeData().week(this);
            return input == null ? week : this.add((input - week) * 7, "d");
        }

        function getSetISOWeek(input) {
            var week = weekOfYear(this, 1, 4).week;
            return input == null ? week : this.add((input - week) * 7, "d");
        }

        // FORMATTING

        addFormatToken("D", ["DD", 2], "Do", "date");

        // ALIASES

        addUnitAlias("date", "D");

        // PARSING

        addRegexToken("D", match1to2);
        addRegexToken("DD", match1to2, match2);
        addRegexToken("Do",
            function(isStrict, locale) {
                return isStrict ? locale._ordinalParse : locale._ordinalParseLenient;
            });

        addParseToken(["D", "DD"], DATE);
        addParseToken("Do",
            function(input, array) {
                array[DATE] = toInt(input.match(match1to2)[0], 10);
            });

        // MOMENTS

        var getSetDayOfMonth = makeGetSet("Date", true);

        // FORMATTING

        addFormatToken("d", 0, "do", "day");

        addFormatToken("dd",
            0,
            0,
            function(format) {
                return this.localeData().weekdaysMin(this, format);
            });

        addFormatToken("ddd",
            0,
            0,
            function(format) {
                return this.localeData().weekdaysShort(this, format);
            });

        addFormatToken("dddd",
            0,
            0,
            function(format) {
                return this.localeData().weekdays(this, format);
            });

        addFormatToken("e", 0, 0, "weekday");
        addFormatToken("E", 0, 0, "isoWeekday");

        // ALIASES

        addUnitAlias("day", "d");
        addUnitAlias("weekday", "e");
        addUnitAlias("isoWeekday", "E");

        // PARSING

        addRegexToken("d", match1to2);
        addRegexToken("e", match1to2);
        addRegexToken("E", match1to2);
        addRegexToken("dd", matchWord);
        addRegexToken("ddd", matchWord);
        addRegexToken("dddd", matchWord);

        addWeekParseToken(["dd", "ddd", "dddd"],
            function(input, week, config, token) {
                var weekday = config._locale.weekdaysParse(input, token, config._strict);
                // if we didn't get a weekday name, mark the date as invalid
                if (weekday != null) {
                    week.d = weekday;
                } else {
                    getParsingFlags(config).invalidWeekday = input;
                }
            });

        addWeekParseToken(["d", "e", "E"],
            function(input, week, config, token) {
                week[token] = toInt(input);
            });

        // HELPERS

        function parseWeekday(input, locale) {
            if (typeof input !== "string") {
                return input;
            }

            if (!isNaN(input)) {
                return parseInt(input, 10);
            }

            input = locale.weekdaysParse(input);
            if (typeof input === "number") {
                return input;
            }

            return null;
        }

        // LOCALES

        var defaultLocaleWeekdays = "Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday".split("_");

        function localeWeekdays(m, format) {
            return isArray(this._weekdays)
                ? this._weekdays[m.day()]
                : this._weekdays[this._weekdays.isFormat.test(format) ? "format" : "standalone"][m.day()];
        }

        var defaultLocaleWeekdaysShort = "Sun_Mon_Tue_Wed_Thu_Fri_Sat".split("_");

        function localeWeekdaysShort(m) {
            return this._weekdaysShort[m.day()];
        }

        var defaultLocaleWeekdaysMin = "Su_Mo_Tu_We_Th_Fr_Sa".split("_");

        function localeWeekdaysMin(m) {
            return this._weekdaysMin[m.day()];
        }

        function localeWeekdaysParse(weekdayName, format, strict) {
            var i, mom, regex;

            if (!this._weekdaysParse) {
                this._weekdaysParse = [];
                this._minWeekdaysParse = [];
                this._shortWeekdaysParse = [];
                this._fullWeekdaysParse = [];
            }

            for (i = 0; i < 7; i++) {
                // make the regex if we don't have it already

                mom = local__createLocal([2000, 1]).day(i);
                if (strict && !this._fullWeekdaysParse[i]) {
                    this._fullWeekdaysParse[i] =
                        new RegExp("^" + this.weekdays(mom, "").replace(".", "\.?") + "$", "i");
                    this._shortWeekdaysParse[i] =
                        new RegExp("^" + this.weekdaysShort(mom, "").replace(".", "\.?") + "$", "i");
                    this._minWeekdaysParse[i] =
                        new RegExp("^" + this.weekdaysMin(mom, "").replace(".", "\.?") + "$", "i");
                }
                if (!this._weekdaysParse[i]) {
                    regex = "^" +
                        this.weekdays(mom, "") +
                        "|^" +
                        this.weekdaysShort(mom, "") +
                        "|^" +
                        this.weekdaysMin(mom, "");
                    this._weekdaysParse[i] = new RegExp(regex.replace(".", ""), "i");
                }
                // test the regex
                if (strict && format === "dddd" && this._fullWeekdaysParse[i].test(weekdayName)) {
                    return i;
                } else if (strict && format === "ddd" && this._shortWeekdaysParse[i].test(weekdayName)) {
                    return i;
                } else if (strict && format === "dd" && this._minWeekdaysParse[i].test(weekdayName)) {
                    return i;
                } else if (!strict && this._weekdaysParse[i].test(weekdayName)) {
                    return i;
                }
            }
        }

        // MOMENTS

        function getSetDayOfWeek(input) {
            if (!this.isValid()) {
                return input != null ? this : NaN;
            }
            var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay();
            if (input != null) {
                input = parseWeekday(input, this.localeData());
                return this.add(input - day, "d");
            } else {
                return day;
            }
        }

        function getSetLocaleDayOfWeek(input) {
            if (!this.isValid()) {
                return input != null ? this : NaN;
            }
            var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7;
            return input == null ? weekday : this.add(input - weekday, "d");
        }

        function getSetISODayOfWeek(input) {
            if (!this.isValid()) {
                return input != null ? this : NaN;
            }
            // behaves the same as moment#day except
            // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6)
            // as a setter, sunday should belong to the previous week.
            return input == null ? this.day() || 7 : this.day(this.day() % 7 ? input : input - 7);
        }

        // FORMATTING

        addFormatToken("DDD", ["DDDD", 3], "DDDo", "dayOfYear");

        // ALIASES

        addUnitAlias("dayOfYear", "DDD");

        // PARSING

        addRegexToken("DDD", match1to3);
        addRegexToken("DDDD", match3);
        addParseToken(["DDD", "DDDD"],
            function(input, array, config) {
                config._dayOfYear = toInt(input);
            });

        // HELPERS

        // MOMENTS

        function getSetDayOfYear(input) {
            var dayOfYear = Math.round((this.clone().startOf("day") - this.clone().startOf("year")) / 864e5) + 1;
            return input == null ? dayOfYear : this.add((input - dayOfYear), "d");
        }

        // FORMATTING

        function hFormat() {
            return this.hours() % 12 || 12;
        }

        addFormatToken("H", ["HH", 2], 0, "hour");
        addFormatToken("h", ["hh", 2], 0, hFormat);

        addFormatToken("hmm",
            0,
            0,
            function() {
                return "" + hFormat.apply(this) + zeroFill(this.minutes(), 2);
            });

        addFormatToken("hmmss",
            0,
            0,
            function() {
                return "" +
                    hFormat.apply(this) +
                    zeroFill(this.minutes(), 2) +
                    zeroFill(this.seconds(), 2);
            });

        addFormatToken("Hmm",
            0,
            0,
            function() {
                return "" + this.hours() + zeroFill(this.minutes(), 2);
            });

        addFormatToken("Hmmss",
            0,
            0,
            function() {
                return "" +
                    this.hours() +
                    zeroFill(this.minutes(), 2) +
                    zeroFill(this.seconds(), 2);
            });

        function meridiem(token, lowercase) {
            addFormatToken(token,
                0,
                0,
                function() {
                    return this.localeData().meridiem(this.hours(), this.minutes(), lowercase);
                });
        }

        meridiem("a", true);
        meridiem("A", false);

        // ALIASES

        addUnitAlias("hour", "h");

        // PARSING

        function matchMeridiem(isStrict, locale) {
            return locale._meridiemParse;
        }

        addRegexToken("a", matchMeridiem);
        addRegexToken("A", matchMeridiem);
        addRegexToken("H", match1to2);
        addRegexToken("h", match1to2);
        addRegexToken("HH", match1to2, match2);
        addRegexToken("hh", match1to2, match2);

        addRegexToken("hmm", match3to4);
        addRegexToken("hmmss", match5to6);
        addRegexToken("Hmm", match3to4);
        addRegexToken("Hmmss", match5to6);

        addParseToken(["H", "HH"], HOUR);
        addParseToken(["a", "A"],
            function(input, array, config) {
                config._isPm = config._locale.isPM(input);
                config._meridiem = input;
            });
        addParseToken(["h", "hh"],
            function(input, array, config) {
                array[HOUR] = toInt(input);
                getParsingFlags(config).bigHour = true;
            });
        addParseToken("hmm",
            function(input, array, config) {
                var pos = input.length - 2;
                array[HOUR] = toInt(input.substr(0, pos));
                array[MINUTE] = toInt(input.substr(pos));
                getParsingFlags(config).bigHour = true;
            });
        addParseToken("hmmss",
            function(input, array, config) {
                var pos1 = input.length - 4;
                var pos2 = input.length - 2;
                array[HOUR] = toInt(input.substr(0, pos1));
                array[MINUTE] = toInt(input.substr(pos1, 2));
                array[SECOND] = toInt(input.substr(pos2));
                getParsingFlags(config).bigHour = true;
            });
        addParseToken("Hmm",
            function(input, array, config) {
                var pos = input.length - 2;
                array[HOUR] = toInt(input.substr(0, pos));
                array[MINUTE] = toInt(input.substr(pos));
            });
        addParseToken("Hmmss",
            function(input, array, config) {
                var pos1 = input.length - 4;
                var pos2 = input.length - 2;
                array[HOUR] = toInt(input.substr(0, pos1));
                array[MINUTE] = toInt(input.substr(pos1, 2));
                array[SECOND] = toInt(input.substr(pos2));
            });

        // LOCALES

        function localeIsPM(input) {
            // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays
            // Using charAt should be more compatible.
            return ((input + "").toLowerCase().charAt(0) === "p");
        }

        var defaultLocaleMeridiemParse = /[ap]\.?m?\.?/i;

        function localeMeridiem(hours, minutes, isLower) {
            if (hours > 11) {
                return isLower ? "pm" : "PM";
            } else {
                return isLower ? "am" : "AM";
            }
        }


        // MOMENTS

        // Setting the hour should keep the time, because the user explicitly
        // specified which hour he wants. So trying to maintain the same hour (in
        // a new timezone) makes sense. Adding/subtracting hours does not follow
        // this rule.
        var getSetHour = makeGetSet("Hours", true);

        // FORMATTING

        addFormatToken("m", ["mm", 2], 0, "minute");

        // ALIASES

        addUnitAlias("minute", "m");

        // PARSING

        addRegexToken("m", match1to2);
        addRegexToken("mm", match1to2, match2);
        addParseToken(["m", "mm"], MINUTE);

        // MOMENTS

        var getSetMinute = makeGetSet("Minutes", false);

        // FORMATTING

        addFormatToken("s", ["ss", 2], 0, "second");

        // ALIASES

        addUnitAlias("second", "s");

        // PARSING

        addRegexToken("s", match1to2);
        addRegexToken("ss", match1to2, match2);
        addParseToken(["s", "ss"], SECOND);

        // MOMENTS

        var getSetSecond = makeGetSet("Seconds", false);

        // FORMATTING

        addFormatToken("S",
            0,
            0,
            function() {
                return ~~(this.millisecond() / 100);
            });

        addFormatToken(0,
            ["SS", 2],
            0,
            function() {
                return ~~(this.millisecond() / 10);
            });

        addFormatToken(0, ["SSS", 3], 0, "millisecond");
        addFormatToken(0,
            ["SSSS", 4],
            0,
            function() {
                return this.millisecond() * 10;
            });
        addFormatToken(0,
            ["SSSSS", 5],
            0,
            function() {
                return this.millisecond() * 100;
            });
        addFormatToken(0,
            ["SSSSSS", 6],
            0,
            function() {
                return this.millisecond() * 1000;
            });
        addFormatToken(0,
            ["SSSSSSS", 7],
            0,
            function() {
                return this.millisecond() * 10000;
            });
        addFormatToken(0,
            ["SSSSSSSS", 8],
            0,
            function() {
                return this.millisecond() * 100000;
            });
        addFormatToken(0,
            ["SSSSSSSSS", 9],
            0,
            function() {
                return this.millisecond() * 1000000;
            });


        // ALIASES

        addUnitAlias("millisecond", "ms");

        // PARSING

        addRegexToken("S", match1to3, match1);
        addRegexToken("SS", match1to3, match2);
        addRegexToken("SSS", match1to3, match3);

        var token;
        for (token = "SSSS"; token.length <= 9; token += "S") {
            addRegexToken(token, matchUnsigned);
        }

        function parseMs(input, array) {
            array[MILLISECOND] = toInt(("0." + input) * 1000);
        }

        for (token = "S"; token.length <= 9; token += "S") {
            addParseToken(token, parseMs);
        }
        // MOMENTS

        var getSetMillisecond = makeGetSet("Milliseconds", false);

        // FORMATTING

        addFormatToken("z", 0, 0, "zoneAbbr");
        addFormatToken("zz", 0, 0, "zoneName");

        // MOMENTS

        function getZoneAbbr() {
            return this._isUTC ? "UTC" : "";
        }

        function getZoneName() {
            return this._isUTC ? "Coordinated Universal Time" : "";
        }

        var momentPrototype__proto = Moment.prototype;

        momentPrototype__proto.add = add_subtract__add;
        momentPrototype__proto.calendar = moment_calendar__calendar;
        momentPrototype__proto.clone = clone;
        momentPrototype__proto.diff = diff;
        momentPrototype__proto.endOf = endOf;
        momentPrototype__proto.format = format;
        momentPrototype__proto.from = from;
        momentPrototype__proto.fromNow = fromNow;
        momentPrototype__proto.to = to;
        momentPrototype__proto.toNow = toNow;
        momentPrototype__proto.get = getSet;
        momentPrototype__proto.invalidAt = invalidAt;
        momentPrototype__proto.isAfter = isAfter;
        momentPrototype__proto.isBefore = isBefore;
        momentPrototype__proto.isBetween = isBetween;
        momentPrototype__proto.isSame = isSame;
        momentPrototype__proto.isSameOrAfter = isSameOrAfter;
        momentPrototype__proto.isSameOrBefore = isSameOrBefore;
        momentPrototype__proto.isValid = moment_valid__isValid;
        momentPrototype__proto.lang = lang;
        momentPrototype__proto.locale = locale;
        momentPrototype__proto.localeData = localeData;
        momentPrototype__proto.max = prototypeMax;
        momentPrototype__proto.min = prototypeMin;
        momentPrototype__proto.parsingFlags = parsingFlags;
        momentPrototype__proto.set = getSet;
        momentPrototype__proto.startOf = startOf;
        momentPrototype__proto.subtract = add_subtract__subtract;
        momentPrototype__proto.toArray = toArray;
        momentPrototype__proto.toObject = toObject;
        momentPrototype__proto.toDate = toDate;
        momentPrototype__proto.toISOString = moment_format__toISOString;
        momentPrototype__proto.toJSON = toJSON;
        momentPrototype__proto.toString = toString;
        momentPrototype__proto.unix = unix;
        momentPrototype__proto.valueOf = to_type__valueOf;
        momentPrototype__proto.creationData = creationData;

        // Year
        momentPrototype__proto.year = getSetYear;
        momentPrototype__proto.isLeapYear = getIsLeapYear;

        // Week Year
        momentPrototype__proto.weekYear = getSetWeekYear;
        momentPrototype__proto.isoWeekYear = getSetISOWeekYear;

        // Quarter
        momentPrototype__proto.quarter = momentPrototype__proto.quarters = getSetQuarter;

        // Month
        momentPrototype__proto.month = getSetMonth;
        momentPrototype__proto.daysInMonth = getDaysInMonth;

        // Week
        momentPrototype__proto.week = momentPrototype__proto.weeks = getSetWeek;
        momentPrototype__proto.isoWeek = momentPrototype__proto.isoWeeks = getSetISOWeek;
        momentPrototype__proto.weeksInYear = getWeeksInYear;
        momentPrototype__proto.isoWeeksInYear = getISOWeeksInYear;

        // Day
        momentPrototype__proto.date = getSetDayOfMonth;
        momentPrototype__proto.day = momentPrototype__proto.days = getSetDayOfWeek;
        momentPrototype__proto.weekday = getSetLocaleDayOfWeek;
        momentPrototype__proto.isoWeekday = getSetISODayOfWeek;
        momentPrototype__proto.dayOfYear = getSetDayOfYear;

        // Hour
        momentPrototype__proto.hour = momentPrototype__proto.hours = getSetHour;

        // Minute
        momentPrototype__proto.minute = momentPrototype__proto.minutes = getSetMinute;

        // Second
        momentPrototype__proto.second = momentPrototype__proto.seconds = getSetSecond;

        // Millisecond
        momentPrototype__proto.millisecond = momentPrototype__proto.milliseconds = getSetMillisecond;

        // Offset
        momentPrototype__proto.utcOffset = getSetOffset;
        momentPrototype__proto.utc = setOffsetToUTC;
        momentPrototype__proto.local = setOffsetToLocal;
        momentPrototype__proto.parseZone = setOffsetToParsedOffset;
        momentPrototype__proto.hasAlignedHourOffset = hasAlignedHourOffset;
        momentPrototype__proto.isDST = isDaylightSavingTime;
        momentPrototype__proto.isDSTShifted = isDaylightSavingTimeShifted;
        momentPrototype__proto.isLocal = isLocal;
        momentPrototype__proto.isUtcOffset = isUtcOffset;
        momentPrototype__proto.isUtc = isUtc;
        momentPrototype__proto.isUTC = isUtc;

        // Timezone
        momentPrototype__proto.zoneAbbr = getZoneAbbr;
        momentPrototype__proto.zoneName = getZoneName;

        // Deprecations
        momentPrototype__proto.dates = deprecate("dates accessor is deprecated. Use date instead.", getSetDayOfMonth);
        momentPrototype__proto.months = deprecate("months accessor is deprecated. Use month instead", getSetMonth);
        momentPrototype__proto.years = deprecate("years accessor is deprecated. Use year instead", getSetYear);
        momentPrototype__proto.zone =
            deprecate(
                "moment().zone is deprecated, use moment().utcOffset instead. https://github.com/moment/moment/issues/1779",
                getSetZone);

        var momentPrototype = momentPrototype__proto;

        function moment__createUnix(input) {
            return local__createLocal(input * 1000);
        }

        function moment__createInZone() {
            return local__createLocal.apply(null, arguments).parseZone();
        }

        var defaultCalendar = {
            sameDay: "[Today at] LT",
            nextDay: "[Tomorrow at] LT",
            nextWeek: "dddd [at] LT",
            lastDay: "[Yesterday at] LT",
            lastWeek: "[Last] dddd [at] LT",
            sameElse: "L"
        };

        function locale_calendar__calendar(key, mom, now) {
            var output = this._calendar[key];
            return isFunction(output) ? output.call(mom, now) : output;
        }

        var defaultLongDateFormat = {
            LTS: "h:mm:ss A",
            LT: "h:mm A",
            L: "MM/DD/YYYY",
            LL: "MMMM D, YYYY",
            LLL: "MMMM D, YYYY h:mm A",
            LLLL: "dddd, MMMM D, YYYY h:mm A"
        };

        function longDateFormat(key) {
            var format = this._longDateFormat[key],
                formatUpper = this._longDateFormat[key.toUpperCase()];

            if (format || !formatUpper) {
                return format;
            }

            this._longDateFormat[key] = formatUpper.replace(/MMMM|MM|DD|dddd/g,
                function(val) {
                    return val.slice(1);
                });

            return this._longDateFormat[key];
        }

        var defaultInvalidDate = "Invalid date";

        function invalidDate() {
            return this._invalidDate;
        }

        var defaultOrdinal = "%d";
        var defaultOrdinalParse = /\d{1,2}/;

        function ordinal(number) {
            return this._ordinal.replace("%d", number);
        }

        function preParsePostFormat(string) {
            return string;
        }

        var defaultRelativeTime = {
            future: "in %s",
            past: "%s ago",
            s: "a few seconds",
            m: "a minute",
            mm: "%d minutes",
            h: "an hour",
            hh: "%d hours",
            d: "a day",
            dd: "%d days",
            M: "a month",
            MM: "%d months",
            y: "a year",
            yy: "%d years"
        };

        function relative__relativeTime(number, withoutSuffix, string, isFuture) {
            var output = this._relativeTime[string];
            return (isFunction(output))
                ? output(number, withoutSuffix, string, isFuture)
                : output.replace(/%d/i, number);
        }

        function pastFuture(diff, output) {
            var format = this._relativeTime[diff > 0 ? "future" : "past"];
            return isFunction(format) ? format(output) : format.replace(/%s/i, output);
        }

        function locale_set__set(config) {
            var prop, i;
            for (i in config) {
                prop = config[i];
                if (isFunction(prop)) {
                    this[i] = prop;
                } else {
                    this["_" + i] = prop;
                }
            }
            // Lenient ordinal parsing accepts just a number in addition to
            // number + (possibly) stuff coming from _ordinalParseLenient.
            this._ordinalParseLenient = new RegExp(this._ordinalParse.source + "|" + (/\d{1,2}/).source);
        }

        var prototype__proto = Locale.prototype;

        prototype__proto._calendar = defaultCalendar;
        prototype__proto.calendar = locale_calendar__calendar;
        prototype__proto._longDateFormat = defaultLongDateFormat;
        prototype__proto.longDateFormat = longDateFormat;
        prototype__proto._invalidDate = defaultInvalidDate;
        prototype__proto.invalidDate = invalidDate;
        prototype__proto._ordinal = defaultOrdinal;
        prototype__proto.ordinal = ordinal;
        prototype__proto._ordinalParse = defaultOrdinalParse;
        prototype__proto.preparse = preParsePostFormat;
        prototype__proto.postformat = preParsePostFormat;
        prototype__proto._relativeTime = defaultRelativeTime;
        prototype__proto.relativeTime = relative__relativeTime;
        prototype__proto.pastFuture = pastFuture;
        prototype__proto.set = locale_set__set;

        // Month
        prototype__proto.months = localeMonths;
        prototype__proto._months = defaultLocaleMonths;
        prototype__proto.monthsShort = localeMonthsShort;
        prototype__proto._monthsShort = defaultLocaleMonthsShort;
        prototype__proto.monthsParse = localeMonthsParse;
        prototype__proto._monthsRegex = defaultMonthsRegex;
        prototype__proto.monthsRegex = monthsRegex;
        prototype__proto._monthsShortRegex = defaultMonthsShortRegex;
        prototype__proto.monthsShortRegex = monthsShortRegex;

        // Week
        prototype__proto.week = localeWeek;
        prototype__proto._week = defaultLocaleWeek;
        prototype__proto.firstDayOfYear = localeFirstDayOfYear;
        prototype__proto.firstDayOfWeek = localeFirstDayOfWeek;

        // Day of Week
        prototype__proto.weekdays = localeWeekdays;
        prototype__proto._weekdays = defaultLocaleWeekdays;
        prototype__proto.weekdaysMin = localeWeekdaysMin;
        prototype__proto._weekdaysMin = defaultLocaleWeekdaysMin;
        prototype__proto.weekdaysShort = localeWeekdaysShort;
        prototype__proto._weekdaysShort = defaultLocaleWeekdaysShort;
        prototype__proto.weekdaysParse = localeWeekdaysParse;

        // Hours
        prototype__proto.isPM = localeIsPM;
        prototype__proto._meridiemParse = defaultLocaleMeridiemParse;
        prototype__proto.meridiem = localeMeridiem;

        function lists__get(format, index, field, setter) {
            var locale = locale_locales__getLocale();
            var utc = create_utc__createUTC().set(setter, index);
            return locale[field](utc, format);
        }

        function list(format, index, field, count, setter) {
            if (typeof format === "number") {
                index = format;
                format = undefined;
            }

            format = format || "";

            if (index != null) {
                return lists__get(format, index, field, setter);
            }

            var i;
            var out = [];
            for (i = 0; i < count; i++) {
                out[i] = lists__get(format, i, field, setter);
            }
            return out;
        }

        function lists__listMonths(format, index) {
            return list(format, index, "months", 12, "month");
        }

        function lists__listMonthsShort(format, index) {
            return list(format, index, "monthsShort", 12, "month");
        }

        function lists__listWeekdays(format, index) {
            return list(format, index, "weekdays", 7, "day");
        }

        function lists__listWeekdaysShort(format, index) {
            return list(format, index, "weekdaysShort", 7, "day");
        }

        function lists__listWeekdaysMin(format, index) {
            return list(format, index, "weekdaysMin", 7, "day");
        }

        locale_locales__getSetGlobalLocale("en",
            {
                ordinalParse: /\d{1,2}(th|st|nd|rd)/,
                ordinal: function(number) {
                    var b = number % 10,
                        output = (toInt(number % 100 / 10) === 1)
                            ? "th"
                            : (b === 1)
                            ? "st"
                            : (b === 2)
                            ? "nd"
                            : (b === 3)
                            ? "rd"
                            : "th";
                    return number + output;
                }
            });

        // Side effect imports
        utils_hooks__hooks.lang = deprecate("moment.lang is deprecated. Use moment.locale instead.",
            locale_locales__getSetGlobalLocale);
        utils_hooks__hooks.langData = deprecate("moment.langData is deprecated. Use moment.localeData instead.",
            locale_locales__getLocale);

        var mathAbs = Math.abs;

        function duration_abs__abs() {
            var data = this._data;

            this._milliseconds = mathAbs(this._milliseconds);
            this._days = mathAbs(this._days);
            this._months = mathAbs(this._months);

            data.milliseconds = mathAbs(data.milliseconds);
            data.seconds = mathAbs(data.seconds);
            data.minutes = mathAbs(data.minutes);
            data.hours = mathAbs(data.hours);
            data.months = mathAbs(data.months);
            data.years = mathAbs(data.years);

            return this;
        }

        function duration_add_subtract__addSubtract(duration, input, value, direction) {
            var other = create__createDuration(input, value);

            duration._milliseconds += direction * other._milliseconds;
            duration._days += direction * other._days;
            duration._months += direction * other._months;

            return duration._bubble();
        }

        // supports only 2.0-style add(1, 's') or add(duration)
        function duration_add_subtract__add(input, value) {
            return duration_add_subtract__addSubtract(this, input, value, 1);
        }

        // supports only 2.0-style subtract(1, 's') or subtract(duration)
        function duration_add_subtract__subtract(input, value) {
            return duration_add_subtract__addSubtract(this, input, value, -1);
        }

        function absCeil(number) {
            if (number < 0) {
                return Math.floor(number);
            } else {
                return Math.ceil(number);
            }
        }

        function bubble() {
            var milliseconds = this._milliseconds;
            var days = this._days;
            var months = this._months;
            var data = this._data;
            var seconds, minutes, hours, years, monthsFromDays;

            // if we have a mix of positive and negative values, bubble down first
            // check: https://github.com/moment/moment/issues/2166
            if (!((milliseconds >= 0 && days >= 0 && months >= 0) ||
                (milliseconds <= 0 && days <= 0 && months <= 0))) {
                milliseconds += absCeil(monthsToDays(months) + days) * 864e5;
                days = 0;
                months = 0;
            }

            // The following code bubbles up values, see the tests for
            // examples of what that means.
            data.milliseconds = milliseconds % 1000;

            seconds = absFloor(milliseconds / 1000);
            data.seconds = seconds % 60;

            minutes = absFloor(seconds / 60);
            data.minutes = minutes % 60;

            hours = absFloor(minutes / 60);
            data.hours = hours % 24;

            days += absFloor(hours / 24);

            // convert days to months
            monthsFromDays = absFloor(daysToMonths(days));
            months += monthsFromDays;
            days -= absCeil(monthsToDays(monthsFromDays));

            // 12 months -> 1 year
            years = absFloor(months / 12);
            months %= 12;

            data.days = days;
            data.months = months;
            data.years = years;

            return this;
        }

        function daysToMonths(days) {
            // 400 years have 146097 days (taking into account leap year rules)
            // 400 years have 12 months === 4800
            return days * 4800 / 146097;
        }

        function monthsToDays(months) {
            // the reverse of daysToMonths
            return months * 146097 / 4800;
        }

        function as(units) {
            var days;
            var months;
            var milliseconds = this._milliseconds;

            units = normalizeUnits(units);

            if (units === "month" || units === "year") {
                days = this._days + milliseconds / 864e5;
                months = this._months + daysToMonths(days);
                return units === "month" ? months : months / 12;
            } else {
                // handle milliseconds separately because of floating point math errors (issue #1867)
                days = this._days + Math.round(monthsToDays(this._months));
                switch (units) {
                case "week":
                    return days / 7 + milliseconds / 6048e5;
                case "day":
                    return days + milliseconds / 864e5;
                case "hour":
                    return days * 24 + milliseconds / 36e5;
                case "minute":
                    return days * 1440 + milliseconds / 6e4;
                case "second":
                    return days * 86400 + milliseconds / 1000;
                // Math.floor prevents floating point math errors here
                case "millisecond":
                    return Math.floor(days * 864e5) + milliseconds;
                default:
                    throw new Error("Unknown unit " + units);
                }
            }
        }

        // TODO: Use this.as('ms')?
        function duration_as__valueOf() {
            return (
                this._milliseconds +
                    this._days * 864e5 +
                    (this._months % 12) * 2592e6 +
                    toInt(this._months / 12) * 31536e6
            );
        }

        function makeAs(alias) {
            return function() {
                return this.as(alias);
            };
        }

        var asMilliseconds = makeAs("ms");
        var asSeconds = makeAs("s");
        var asMinutes = makeAs("m");
        var asHours = makeAs("h");
        var asDays = makeAs("d");
        var asWeeks = makeAs("w");
        var asMonths = makeAs("M");
        var asYears = makeAs("y");

        function duration_get__get(units) {
            units = normalizeUnits(units);
            return this[units + "s"]();
        }

        function makeGetter(name) {
            return function() {
                return this._data[name];
            };
        }

        var milliseconds = makeGetter("milliseconds");
        var seconds = makeGetter("seconds");
        var minutes = makeGetter("minutes");
        var hours = makeGetter("hours");
        var days = makeGetter("days");
        var months = makeGetter("months");
        var years = makeGetter("years");

        function weeks() {
            return absFloor(this.days() / 7);
        }

        var round = Math.round;
        var thresholds = {
            s: 45, // seconds to minute
            m: 45, // minutes to hour
            h: 22, // hours to day
            d: 26, // days to month
            M: 11 // months to year
        };

        // helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize
        function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) {
            return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture);
        }

        function duration_humanize__relativeTime(posNegDuration, withoutSuffix, locale) {
            var duration = create__createDuration(posNegDuration).abs();
            var seconds = round(duration.as("s"));
            var minutes = round(duration.as("m"));
            var hours = round(duration.as("h"));
            var days = round(duration.as("d"));
            var months = round(duration.as("M"));
            var years = round(duration.as("y"));

            var a = seconds < thresholds.s && ["s", seconds] ||
                minutes <= 1 && ["m"] ||
                minutes < thresholds.m && ["mm", minutes] ||
                hours <= 1 && ["h"] ||
                hours < thresholds.h && ["hh", hours] ||
                days <= 1 && ["d"] ||
                days < thresholds.d && ["dd", days] ||
                months <= 1 && ["M"] ||
                months < thresholds.M && ["MM", months] ||
                years <= 1 && ["y"] ||
                ["yy", years];

            a[2] = withoutSuffix;
            a[3] = +posNegDuration > 0;
            a[4] = locale;
            return substituteTimeAgo.apply(null, a);
        }

        // This function allows you to set a threshold for relative time strings
        function duration_humanize__getSetRelativeTimeThreshold(threshold, limit) {
            if (thresholds[threshold] === undefined) {
                return false;
            }
            if (limit === undefined) {
                return thresholds[threshold];
            }
            thresholds[threshold] = limit;
            return true;
        }

        function humanize(withSuffix) {
            var locale = this.localeData();
            var output = duration_humanize__relativeTime(this, !withSuffix, locale);

            if (withSuffix) {
                output = locale.pastFuture(+this, output);
            }

            return locale.postformat(output);
        }

        var iso_string__abs = Math.abs;

        function iso_string__toISOString() {
            // for ISO strings we do not use the normal bubbling rules:
            //  * milliseconds bubble up until they become hours
            //  * days do not bubble at all
            //  * months bubble up until they become years
            // This is because there is no context-free conversion between hours and days
            // (think of clock changes)
            // and also not between days and months (28-31 days per month)
            var seconds = iso_string__abs(this._milliseconds) / 1000;
            var days = iso_string__abs(this._days);
            var months = iso_string__abs(this._months);
            var minutes, hours, years;

            // 3600 seconds -> 60 minutes -> 1 hour
            minutes = absFloor(seconds / 60);
            hours = absFloor(minutes / 60);
            seconds %= 60;
            minutes %= 60;

            // 12 months -> 1 year
            years = absFloor(months / 12);
            months %= 12;


            // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js
            var Y = years;
            var M = months;
            var D = days;
            var h = hours;
            var m = minutes;
            var s = seconds;
            var total = this.asSeconds();

            if (!total) {
                // this is the same as C#'s (Noda) and python (isodate)...
                // but not other JS (goog.date)
                return "P0D";
            }

            return (total < 0 ? "-" : "") +
                "P" +
                (Y ? Y + "Y" : "") +
                (M ? M + "M" : "") +
                (D ? D + "D" : "") +
                ((h || m || s) ? "T" : "") +
                (h ? h + "H" : "") +
                (m ? m + "M" : "") +
                (s ? s + "S" : "");
        }

        var duration_prototype__proto = Duration.prototype;

        duration_prototype__proto.abs = duration_abs__abs;
        duration_prototype__proto.add = duration_add_subtract__add;
        duration_prototype__proto.subtract = duration_add_subtract__subtract;
        duration_prototype__proto.as = as;
        duration_prototype__proto.asMilliseconds = asMilliseconds;
        duration_prototype__proto.asSeconds = asSeconds;
        duration_prototype__proto.asMinutes = asMinutes;
        duration_prototype__proto.asHours = asHours;
        duration_prototype__proto.asDays = asDays;
        duration_prototype__proto.asWeeks = asWeeks;
        duration_prototype__proto.asMonths = asMonths;
        duration_prototype__proto.asYears = asYears;
        duration_prototype__proto.valueOf = duration_as__valueOf;
        duration_prototype__proto._bubble = bubble;
        duration_prototype__proto.get = duration_get__get;
        duration_prototype__proto.milliseconds = milliseconds;
        duration_prototype__proto.seconds = seconds;
        duration_prototype__proto.minutes = minutes;
        duration_prototype__proto.hours = hours;
        duration_prototype__proto.days = days;
        duration_prototype__proto.weeks = weeks;
        duration_prototype__proto.months = months;
        duration_prototype__proto.years = years;
        duration_prototype__proto.humanize = humanize;
        duration_prototype__proto.toISOString = iso_string__toISOString;
        duration_prototype__proto.toString = iso_string__toISOString;
        duration_prototype__proto.toJSON = iso_string__toISOString;
        duration_prototype__proto.locale = locale;
        duration_prototype__proto.localeData = localeData;

        // Deprecations
        duration_prototype__proto.toIsoString =
            deprecate("toIsoString() is deprecated. Please use toISOString() instead (notice the capitals)",
                iso_string__toISOString);
        duration_prototype__proto.lang = lang;

        // Side effect imports

        // FORMATTING

        addFormatToken("X", 0, 0, "unix");
        addFormatToken("x", 0, 0, "valueOf");

        // PARSING

        addRegexToken("x", matchSigned);
        addRegexToken("X", matchTimestamp);
        addParseToken("X",
            function(input, array, config) {
                config._d = new Date(parseFloat(input, 10) * 1000);
            });
        addParseToken("x",
            function(input, array, config) {
                config._d = new Date(toInt(input));
            });

        // Side effect imports


        utils_hooks__hooks.version = "2.11.2";

        setHookCallback(local__createLocal);

        utils_hooks__hooks.fn = momentPrototype;
        utils_hooks__hooks.min = min;
        utils_hooks__hooks.max = max;
        utils_hooks__hooks.now = now;
        utils_hooks__hooks.utc = create_utc__createUTC;
        utils_hooks__hooks.unix = moment__createUnix;
        utils_hooks__hooks.months = lists__listMonths;
        utils_hooks__hooks.isDate = isDate;
        utils_hooks__hooks.locale = locale_locales__getSetGlobalLocale;
        utils_hooks__hooks.invalid = valid__createInvalid;
        utils_hooks__hooks.duration = create__createDuration;
        utils_hooks__hooks.isMoment = isMoment;
        utils_hooks__hooks.weekdays = lists__listWeekdays;
        utils_hooks__hooks.parseZone = moment__createInZone;
        utils_hooks__hooks.localeData = locale_locales__getLocale;
        utils_hooks__hooks.isDuration = isDuration;
        utils_hooks__hooks.monthsShort = lists__listMonthsShort;
        utils_hooks__hooks.weekdaysMin = lists__listWeekdaysMin;
        utils_hooks__hooks.defineLocale = defineLocale;
        utils_hooks__hooks.weekdaysShort = lists__listWeekdaysShort;
        utils_hooks__hooks.normalizeUnits = normalizeUnits;
        utils_hooks__hooks.relativeTimeThreshold = duration_humanize__getSetRelativeTimeThreshold;
        utils_hooks__hooks.prototype = momentPrototype;

        var _moment = utils_hooks__hooks;

        return _moment;

    }));
